calculate 
 verb (calculat, ing)
 (transitive) (mathematics) To determine the value of something or the solution to something by a mathematical process.
 Calculate the square root of 3 to 10 decimal places.
 (intransitive) (mathematics) To determine values or solutions by a mathematical process.
 (intransitive) To plan something, especially something morally wrong.


calculated 
 verb
 (past of, calculate)

calculating 
 verb  (present participle of, calculate)
adjective  which has the ability to calculate
 which serves one's own interests in an unemotional, analytical manner

calculation 
 noun (countable and uncountable; plural calculations)
 (mathematics) (uncountable) The act or process of calculating.
 (mathematics) (countable) The result of calculating.
 (countable) Reckoning, estimate.
 By my calculation, we should be there by midnight.
 (countable) An expectation based on circumstances.

calculator 
 noun (plural calculators)
 (dated) A person who performs mathematical calculation
 A person who calculates (in the sense of scheming).
 A mechanical or electronic device that performs mathematical calculations.
 (obsolete) A set of mathematical tables.

calculus 
 noun (calculi, )
 (countable) (mathematics) Any formal system in which symbolic expressions are manipulated according to fixed rules.
 vector calculus
 (uncountable) (analysis) differential calculus, Differential calculus and integral calculus considered as a single subject.
 (countable) (medicine) A stony concretion that forms in a bodily organ.
 renal calculus ( = kidney stone)
 (uncountable) (dentistry) Deposits of calcium phosphate salts on teeth.

calculus of variations 
 noun  (calculus) The form of calculus that deals with the maxima and minima of definite integrals of functions of many variables

cancel 
 noun
 (nonstandard) A cancellation.
 (rfvsense, apparently means natural.) (music) A mark cancelling a previous sharp or flat.
verb (cancels, cancelling (Commonwealth), canceling (American), cancelled (Commonwealth), canceled (American))
 (transitive) To cross out something with lines etc.
 (transitive) To invalidate or annul something.
 He cancelled his order on their website.
 (transitive) To mark something (such as a used postage stamp) so that it can't be reused.
 This machine cancels the letters that have a valid zip code.
 (transitive) To offset or equalize something.
 The corrective feedback mechanism cancels out the noise.
 (transitive) (mathematics) To remove a common factor from both the numerator and denominator of a fraction, or from both sides of an equation.
 (rfdredundant) (intransitive) To counterbalance or neutralize each other.
 (rfdredundant) (intransitive) (mathematics) Of a common factor in numerator and denominator of a fraction: To disappear.
(rfc, None of the meanings are limited to transitive or intransitive  the verb is always both/either with no distinction in meaning, only distinction is object referent.)

Cardinal 
 proper noun  (baseball) A player on the team "The St. Louis Cardinals".
 Smith became a as the result of a preseason trade.
 A player on the team "Arizona Cardinals".
 A sports team or a player on a sports team at w:Stanford University, Stanford University.
 A student or player on a sports team at the w:University of Louisville, University of Louisville.
<! split to Cardinals
Cardinals
 (baseball) The team "w:St. Louis Cardinals, The St. Louis Cardinals".
 The team "w:Arizona Cardinals, The Arizona Cardinals".
 A sports team at the w:University of Louisville, University of Louisville.
 The Cardinals take the field.
>

cardinality 
 noun (plural cardinalities)
 (settheory) Of a set, the number of elements it contains.
 The empty set has a cardinality of zero.

cardinal number 
 noun
 A number used to denote quantity; a counting number.
 The smallest cardinal numbers are 0, 1, 2, and 3.
 The "three" can be represented as "3" or "three".
 (mathematics) A generalized kind of number used to denote the size of a set, including infinite sets.
 (context, grammar) A word that expresses a countable quantity; a cardinal numeral.
 "Three" is a , while "third" is an ordinal number.

cardioid 
 noun
 (geometry) An epicycloid with exactly one cusp; the plane curve with polar equation <math>\rho = 1 + \cos\,\theta</math>  having a shape supposedly heartshaped
adjective
 Having this characteristic shape

Cartesian coordinates 
 noun pl
 (alggeom) The coordinates of a point measured as its perpendicular distance to the right of a vertical axis (the yaxis, yaxis) and its perpendicular distance above a horizontal axis (the xaxis, xaxis).

Cartesian product 
 noun
 (mathematics) The set of all possible pairs of elements whose components are members of two sets. Notation: <math>X \times Y = {(x,y)\, x\in X \land y\in Y\}</math>.

Cartesian space 
 noun  (mathematics) Euclidean space described by Cartesian coordinates.

cast 
 noun
 A supportive and immobilising device used to help mend broken bones.
 The doctor put a on the boy"s broken arm.
 The collective group of people performing a play or production together.
 He"s in the of Oliver.
 The casting procedure.
 A small mass of earth excreted by a worm.
 An object made in a mould.
 The mould used to make cast objects; as, a plaster cast.
 A squint.
 visual, Visual appearance.
 Her features had a delicate to them.
(rfex, the ones without)
verb (casts, casting, cast, )
 To throw forcefully.
 He a stone at the dog.
 To throw something down or toss something aside.
 to away fear
 She the die.
 To throw a fishing line or net into the water.
 The fisherman the net into the sea.
 To assign a role in a play or performance.
 The director the part carefully.
 (computing) To change a variable type from, for example, integer to real, or integer to text.
 Casting is generally an indication of bad design.
 Make by pouring into a mould.
 (of animals) To lose the hair or fur of the coat, usually in spring.
 (context, of fabric) To twist or warp.
 (nautical) To bring the bows of a sailing ship on to the required tack just as the anchor is weighed by use of the headsail.
 (nautical) To heave the lead and line in order to ascertain the depth of water.
 (context, accountancy) To add up a column of figures; crosscast refers to adding up a row of figures.
(rfex)

catastrophe 
 noun
 Any enormous and disastrous event of great significance.
 A disaster beyond expectations (insurance industry)
 In ancient Greek tragedies, the solution of the plot.
 A social change of an outstanding radical and rapid character, with highly magical explanations by victims and others (sociology)

category 
 noun (categories)
 A group, often named or numbered, to which items are assigned based on similarity or defined criteria.
 This steep and dangerous climb belongs to the most difficult .
 I wouldn't put this book in the same as the author's first novel.
 (mathematics) A collection of objects, together with a transitively closed collection of composable arrows between them, such that every object has an identity arrow.
 One wellknown has sets as objects and functions as arrows.

center 
 noun
 The middle portion of something; the part well away from the edges.
 (geometry) The point on a line that is midway between the ends.
 (geometry) The point in the interior of a circle that is equidistant from all points on the circumference of the circle.
 (rfvsense) A person who is selfcentered.
 (geometry) The point in the interior of a sphere that is equidistant from all points on the surface of the sphere.
 (geometry) The point in the interior of any figure of any number of dimensions that has as its coordinates the arithmetic mean of the coordinates of all points on the perimeter of the figure.
 A place where some function or activity occurs.
 shopping ;
 convention
 A topic that is particularly important in a given context.
 the of the controversy
 the of attention
 (basketball) The player, generally the tallest, who plays closest to the basket.
 (Icehockey) The forward that generally plays between the left wing and right wing and usually takes the faceoffs.
 The person who holds the ball at the beginning of each play.
verb (transitive)
 To cause (an object) to occupy the center of an area.
 To cause (some attribute, such as a mood or voltage) to be adjusted to a value which is midway between the extremes.
 To concentrate on (something), to pay close attention to (something).
(centercentreverb)
adjective
 Of, at, or related to a center.


centum 
 adjective
 (linguistics) referring to a ProtoIndoEuropean language group that did not produce sibilants from a series of velar stops

centuple 
 adjective
 Hundredfold. Multiplied by one hundred.

chain 
 noun
 A series of interconnected rings or links usually made of metal.
 He wore a gold around the neck.
 A series of interconnected things.
 This led to an unfortunate of events.
 A series of stores or businesses with the same brand name.
 That of restaurants is expanding into our town.
 A number of atoms in a series, which combine to form a molecule.
 When examined, the molecular included oxygen and hydrogen.
 (surveying) A series of interconnected links of known length, used as a measuring device.
 (surveying) A long measuring tape.
 A unit of length equal to 22 yards. The length of a commonly used surveying chain. The length of a cricket pitch. Equal to 17.85 metres. Equal to 4 rods.
verb
 (transitive) To fasten something with a chain
 (intransitive) To link multiple items together
 (transitive) To secure someone with fetters
 (transitive) To obstruct the mouth of a river etc with a chain
 (computing) To relate data items with a chain of pointers; to be chained to another data item
 (transitive) To measure a distance using a 66foot long chain, as in land surveying

chord 
 noun
 (context, music) In music, a combination of any three or more pitches and the diatonic functionality of those pitches.
 (geometry) A straight line between two points of a curve.
 (context, engineering) A horizontal member of a truss.
 (context, aeronautics) The distance between the leading edge, leading and trailing edge of a wing, measured in the direction of the normal airflow.

cipher 
 noun
 A numeric character.
 A method of transforming a text in order to conceal its meaning.
 The message was written in a simple . Anyone could figure it out.
 (crypto) A cryptographic system using an algorithm that converts letter, letters or sequences of bit, bits into ciphertext.
 ciphertext, Ciphertext; a message concealed via a .
 The message is clearly a , but I can't figure it out.
 A grouping of three digits in a number, especially when delimited by commas or periods:
 The probability is 1 in 1,000,000,000,000,000a number having five ciphers of zeros.
 A design of interlacing initials: a decorative design consisting of a set of interlaced initials.
 (music) A fault in an organ valve which causes a pipe to sound continuously without the key having been pressed.
 A hiphop jam session http://www.rapdict.org/Cipher
 The path (usually circular) shared cannabis takes through a group, an occasion of cannabis smoking.
 (dated) Someone or something of no importance.
 You are just a to me.
 (obsolete) zero, Zero.
verb
 (regional and/or dated) To calculate.
 I never learned much more than how to read and .

circle 
 noun
 (geometry): A twodimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from another point.
 The set of all points (x, y) such that <math>(x1)^2 + y^2 = r^2 </math> is a of radius r around the point (1, 0).
 A twodimensional geometric figure, a disk, consisting of the set of all those points of a plane at a distance less than or equal to a fixed distance from another point.
 Any thin threedimensional equivalent of the geometric figures.
 Put on your duncecap and sit down on that .
 A curve that more or less forms part or all of a circle.
 move in a
 Orbit.
 A specific group of persons.
 inner
 of friends
 (cricket) A line comprising two semicircles of 30 yds radius centred on the wickets joined by straight lines parallel to the pitch used to enforce field restrictions in a oneday match.
verb (circl, ing)
 (transitive) To travel around along a curved path.
 (transitive) To surround.
 (transitive) To place or mark a circle around.
 Circle the jobs that you are interested in applying for.
 (intransitive) To travel in circles.
 Vultures circled overhead.

circular function 
 noun
 a trigonometric function

circumference 
 noun
 (geometry) The line that bounds a circle or other twodimensional figure
 (geometry) The length of such a line

circumradius 
 noun  (mathematics) the radius of the smallest circle into which will fit any given geometric shape, especially a regular polygon
 (mathematics) the radius of the smallest sphere into which will fit any given polyhedron

class 
 noun (es, )
 (countable) A group, collection, category or set sharing characteristics or attributes.
 The new Ford Fiesta is set to be best in the 'small family' .
 : Often used to imply membership of a large class.
 :: This word has a whole of metaphoric extensions.
 (countable) A social grouping, based on job, wealth, etc. In Britain, society is commonly split into three main classes; upper class, middle class and working class.
 (uncountable) The division of society into classes.
 Jane Austen's works deal with in 18thcentury England.
 (uncountable) Admirable behavior; elegance.
 Apologizing for losing your temper, even though you were badly provoked, showed real .
 (context, countable, and, uncountable) A group of students in a regularly scheduled meeting with a teacher.
 The was noisy, but the teacher was able to get their attention with a story.
 A series of classes covering a single subject.
 I took the cooking for enjoyment, but I also learned a lot.
 (countable) A group of students who commenced or completed their education during a particular year. A school class.
 The of 1982 was particularly noteworthy.
 (countable) A category of seats in an airplane, train or other means of mass transportation.
 I used to fly business , but now my company can only afford economy.
 (context, biology, taxonomy, countable) A rank in the classification of organisms, below phylum and above order; a taxon of that rank
 Magnolias belong to the Magnoliopsida.
 (computing) A set of objects possibly differing in state but not behavior.
 (math) A collection of sets definable by a shared property.
 The of all sets is not a set.
verb (classes, classing, classed)
 (transitive) To assign to a class.
 I would this with most of the other mediocre works of the period.
adjective
 (context, UK, slang) great; fabulous

coaxial 
 adjective  (geometry) Having a common central axis.

coefficient 
 noun
 (mathematics) A constant by which an algebraic term is multiplied.
 A number, value or item that serves as a measure of some property or characteristic.

combinatorics 
 noun  (math) a branch of mathematics that studies (usually finite) collections of objects that satisfy specified criterion, criteria (see w:combinatorics, the Wikipedia article for further details)

common 
 noun
 mutual, Mutual good, shared by more than one.
 a tract of land in common ownership
adjective (er, more)
 mutual, Mutual; shared by more than one.
 The two competitors have the aim of winning the championship.
 Winning the championship is an aim to the two competitors.
 occur, Occurring or happening regularly or frequently; usual.
 It is to find sharks off this coast.
 found, Found in large numbers or in a large quantity.
 Sharks are in these waters.
 simple, Simple, ordinary or vulgar.
 (grammar) In some languages, particularly Germanic languages, of the gender originating from the coalescence of the masculine and feminine categories of nouns.
 Of or pertaining to uncapitalized nouns in English, i.e., common nouns vs. proper nouns

common fraction 
 noun (plural common fractions)
 (arithmetic) Another name for a vulgar fraction.

commutator 
 noun (wikipedia, commutator (electric))
 an electrical switch, in a generator or motor, that periodically reverses the direction of an electric current
 (mathematics) (of a group) an element of the form ghg^{âï¿½ï¿½1}h^{âï¿½ï¿½1} where g and h are elements of the group; it is equal to the group's identity if and only if g and h commute
 (mathematics) (of a ring) an element of the form abba, where a and b are elements of the ring, it is identical to the ring's zero element if and only if a and b commute

commute 
 verb (commut, ing)
 (intransitive) To travel from one's home (usually in the suburbs of a city) to one's workplace (usually in the city itself, or in another city) to go to work, or vice versa.
 (context, intransitive, mathematics) To engage in a commutative operation.
 (context, transitive, finance) To pay out the lumpsum present value of an annuity.
 (context, transitive, law, criminology) To reduce the sentence previously given for a criminal offense.

compact 
 noun
 An agreement or contract.
verb
 (transitive) To make more dense; to compress.
adjective
 Closely packed.
 Having all necessary features fitting neatly into a small space.
 (topology) close, Closed and bounded; having a finite subcover for every open cover.

complement 
 noun
 Something which complements.
 We believe you will make a good to our team.'
 (geometry) An angle which, together with a given angle, makes a right angle.
 (settheory) Given two sets, the set containing one set's elements that are not members of the other set; the relative complement.
 (settheory) The set containing exactly those elements of the universal set not in the given set; the absolute complement.
 The of the odd numbers is the even numbers, relative to the natural numbers.
 (logic) An expression which is true when the other is false, and vice versa.
 (electronics) A voltage level with the opposite logical sense to the given one.
 A (grammar) A word or group of words that completes a grammatical construction in the predicate and that describes or is identified with the subject or object.
 Any word or group of words used to complete a grammatical construction, typically in the predicate, including adverbials, infinitives, and sometimes objects.
 complement clause
 (computing) A bit with the opposite value to the given one; the logical complement of a number.
 (context, computing, mathematics) The diminished radix complement of a number; the nines' complement of a decimal number; the ones' complement of a binary number.
 The of <math>01100101_2</math> is <math>10011010_2</math>.
 (context, computing, mathematics) The radix complement of a number; the two's complement of a binary number.
 The of <math>01100101_2</math> is <math>10011011_2</math>.
 (context, computing, mathematics) The numeric complement of a number.
 The of 123 is 123.
 (music) An interval which, together with the given interval, makes an octave.
 The color which, when mixed with the given color, gives black (for mixing pigments) or white (for mixing light).
 The of blue is orange.
 (genetics) A nucleotide sequence in which each base is replaced by the complementary base of the given sequence: adenine (A) by thymine (T) or uracil (U), cytosine (C) by guanine (G), and vice versa.
 A DNA molecule is formed from two strands, each of which is the of the other.
 (immunology) One of several blood proteins that work with antibody, antibodies during an immune response.
 (nautical) The full number of personnel required to man a ship (esp. a ship of war).
verb
 To complete.
 We believe your addition will the team.
 To provide what the partner lacks and lack what the partner provides.
 The flavors of the pepper and garlic each other, giving a very rich taste in combination.
 I believe our talents really each other.
 To change a voltage, number, color, etc. to its complement.

complex 
 noun (pl=complexes)
 A problem.
 A collection of buildings with a common purpose, such as a university or military base.
 A psychologically based dislike or fear of a particular thing.
 Jim has a real complex about working for a woman boss.
 A thunderstorm that forms when two storm fronts collide.
 (chemistry) A structure consisting of a central atom or molecule weakly connected to surrounding atoms or molecules.
verb to complex (intransitive)
 (chemistry) To form a complex with another substance
adjective (wikipedia, complex number)
((compar) more complex, (superl) most complex)
 Made up of multiple parts; intricate or detailed.
 Not simple or straightforward.
 (mathematics) Of a number, of the form a + bi, where a and b are real numbers and i is the square root of −1.
 function
 (geometry) A curve, polygon or other figure that crosses or intersects itself.

complex analysis 
 noun (uncountable)
 (mathematics) The branch of mathematics that studies holomorphic functions.

complex number 
 noun
 (complex) A number of the form a + bi, where a and b are real numbers and i ^{2} = −1.

complex plane 
 noun  (mathematics) a representation of the space of complex numbers

composite 
 noun
 A mixture of different components.
 A structural material that gains its strength from a combination of complementary materials.
 (botany) A plant belonging to the family Compositae.
 (mathematics) A function of a function.
verb (composit, ing)
 To make a composite.
 I composited an image using computer software.
adjective
 Made up of multiple components; compound or complex.
 (architecture) Being a mixture of Ionic and Corinthian styles.
 (mathematics) Not prime; having factors.
 (botany) Being a member of the Compositae family (now known as Asteraceae).

composite function 
 noun  (mathematics) A function of one or more independent variables, at least one of which is itself a function of one or more other independent variables; a function of a function

composition 
 noun
 The combining of different parts to make a whole.
 The general makeup of something.
 A mixture or compound; the result of composing
 A work of music, literature or art.
 An essay.
 {Linguistics) The formation of compound words from separate words.
 (printing) typesetting.

computation 
 noun
 The act or process of compute
 Verb, computing; calculation; reckoning.
 The result of computation; the amount computed.

concave 
 adjective
 curved inward like the inside of a bowl

concavoconvex 
 adjective  having one side concave and the other convex

concentric 
 adjective
 (geometry) Having a common center.
 (physiology) (of a motion) in the direction of contraction of a muscle. (E.g. extension of the lower arm while flexing the tricep; closing of the jaw while flexing the masseter). (Antonym: Eccentric)

concurrence 
 noun
 agreement, Agreement; concurring.
 An instance of simultaneous occurrence.

concurrent 
 adjective
 happen, Happening at the same time; simultaneous.
 belong, Belonging to the same period; contemporary.
 (computing) Involving more than one thread of computation.

conditional 
 noun
 (grammar) A statement that depends on a condition being true or false.
 (grammar) The conditional mood.
 (logic) A statement that one sentence is true if another is.
 A implies B is a .
adjective
 Depending on a condition.
 (logic) Stating that one sentence is true if another is.
 A implies B is a statement.

congruence 
 noun
 The quality of agreeing; being suitable and appropriate.

congruent 
 adjective
 Corresponding in character.
 Harmonious.
 (math) Having a difference divisible by a modulus.
 (math) Coinciding exactly when superimposed.

congruity 
 noun (plural congruities)
 The quality of agreeing; being suitable and appropriate.

conic 
 noun (plural conics)
 (geometry) A conic section.
adjective  Conical.

conic section 
 noun (plural conic sections)
 (geometry) Any of the four distinct shapes that are the intersections of a cone with a plane, namely the circle, ellipse, parabola and hyperbola.

connected 
 verb
 (past of, connect)
adjective
 (usually with "well"): Having favorable raport with a powerful entity.

consecutive 
 adjective  Following, in succession, without interruption
 Having some logical sequence

conservative 
 noun
 A person who favors maintenance of the status quo or reversion to some earlier status.
 (context, UK, politics) A member of the Conservative party.
 (context, US, economics) A fiscal conservative
 (context, US, politics) A political conservative
 (context, US, social sciences) A social conservative.
 (context, Canada, politics) (uncapitalized) An adherent of any strain o fconservatism. (Capitalized) A member or supporter of the Conservative Party of Canada, or its predecessors.
adjective
 Tending to resist change.
 The curriculum committee at this university is extremely .
 Based on pessimistic assumptions.
 At a estimate, growth may even be negative next year.
 (context, US, economics, politics, social sciences) Supporting some combination of fiscal, political or social conservatism.
 (context, US, politics) Relating to the Republican party, regardless of its conservatism.
 (context, UK, politics) Relating to the Conservative party.
 (context, physics) (notcomp) Neither creating nor destroying a given quantity.

constant 
 noun
 That which is permanent or invariable.
 (algebra) A quantity that remains at a fixed value throughout a given discussion.
 (science) Any property of an experiment, determined numerically, that does not change under given circumstances.
 (computing) An identifier that is bound to an invariant value.
adjective
 unchanged, Unchanged through time or space; permanent.
 consistently, Consistently recurring over time; persistent
 steady, Steady in purpose, action, feeling, etc.

construct 
 noun
 Something constructed from parts.
 The artwork was a of wire and tubes.
 A concept or model.
 Bohr's theoretical of the atom was soon superseded by quantum mechanics.

continuity 
 noun (continuities)
 Lack of interruption or disconnection; the quality of being continuous in space or time.
 Considerable of attention is needed to read German philosophy.

contour line 
 noun  A line on a map through points of equal elevation, often height above sea level.

conversion 
 noun
 The act of having converted something or someone.
 His to Christianity
 The of the database from ASCII to Unicode
 (chemistry) A chemical reaction wherein a substrate is transformed into a product.
 (rugby) A freekick, after scoring a try, worth two points
 (American football) extra point scored by kicking a field goal after scoring a touchdown.
 (marketing) An online advertising performance metric representing a visitor performing whatever the intended result of an ad is defined to be. This can be a purchase or a download of a whitepaper.

coordinate 
 noun (plural coordinates)
 In mathematics or cartography, a number representing the position of a point along a line, arc, or similar onedimensional figure. A set of coordinates specifies position in a multidimensional system, with one number corresponding to the position along each of a set of independent (usually mutually perpendicular) lines, arcs, etc. In two dimensions, Cartesian coordinates specify a distance to the right (x) and a distance up (y), so "(2,3)" means 2 to the right and 3 up from a given origin. In three dimensions, three coordinates are needed to specify a unique position in space.
verb (coordinat, ing)
 (transitive) To synchronize (activities).
 (transitive) To match (objects, especially clothes).

coordinate system 
 noun
 (mathematics) A method of representing points in a space of given dimensions by coordinates from an origin


correspondence 
 noun
 (uncountable) Friendly discussion.
 (uncountable) Reciprocal exchange of civilities, especially conversation between persons by means of letters.
 (uncountable) An agreement of situations or objects with an expected outcome.
 (uncountable) Newspaper or news stories, generally.
 (uncountable) Postal or other written communications.
 (settheory) Another name for a relation.

cosecant 
 noun (plural cosecants)
 (trigonometry) In a right triangle, the reciprocal of the sine of an angle. Symbol: cosec

cosh 
 noun (rfclevel, Noun at L4+ not in L3 POS section)
 A weapon made of leathercovered metal similar to a blackjack.

cosine 
 noun (plural cosines)
 (trigonometry) In a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse. Symbol: cos
<!These definitions are equivalent to the one above and so do not define different senses of the word.
 (mathematics) The x coordinate of the point on the unit circle at the given anticlockwise angle from the x axis.
 (mathematics) The sum of the real or complex power series
::<math>\sum_0^\infty((1)^{n)\over{(2n)!}}x^{2n}</math>
>

cot 
 noun
 A simple bed, especially one for portable or temporary purposes.
 (nautical) A wooden bed frame, slung by its corners from a beam, in which officers slept before the introduction of bunks.
 A crib (child's bed).
 A finger cover uses to prevent static discharge.
 (archaic) A cottage or small homestead.

cotangent 
 noun (plural cotangents)
 (trigonometry) In a right triangle, the reciprocal of the tangent of an angle. Symbol: cot

counting number 
 noun
 (mathematics) a positive integer

cover 
 noun
 A lid.
 The hiding from view.
 The front and back of a book or magazine.
 The top sheet of a bed.
 (music) A cover version; a cover song.
 (cricket) A fielding position on the off side, between point and mid off, about 30Â° forward of square; a fielder in this position.
 A setting at a restaurant table.
 We need to set another for the Smith party.
 (topology) A set (more often known as a family) of sets, whose union contains the given set.
 The open intervals are a for the real numbers.
 A cover charge.
 There's a $15 tonight.
 (philately) An envelope complete with stamps and postmarks etc.
 (military) A solid object, including terrain, that provides protection from enemy fire.
 (legal) In commercial law, refers to a buyer"s purchase on the open market of goods similar or identical to the goods contracted for after a seller has breached a contract of sale by failure to deliver the goods contracted for.
verb
 To place something over or upon to conceal or protect.
 To feature, discuss, or mention.
 To provide enough money for.
 We've earned enough money to cover most of our costs.
 (music) To make a cover version of (a song that was originally recorded by another artist).
 (context, military, police) To protect using an aimed firearm and the threat of firing; or to protect using continuous, heaving fire at or in the direction of the enemy so as to force the enemy to remain in cover; or to threaten using an aimed firearm and the threat of firing.
adjective
 Of or pertaining to the front cover of a book or magazine.
 (music) Originally recorded by one artist, but later rerecorded by another artist.
 Of, pertaining to, or consisting of cover versions.

covering 
 noun
 (countable) That which covers something.
 (uncountable) Action of the verb to cover.
verb
 (present participle of, cover)

coversed sine 
 noun (wikipedia, versine)
(plural coversed sines)
 (trigonometry) The trigonometric function 1 − sin(x). Abbreviation: coversin


cross product 
 noun (plural cross products)
 (vector) A vector product.

CSC 
 initialism  Criminal Sexual Conduct

CTN 
 initialism  Criminal Tracking Number

cube 
 noun (rfc, a DIV in wikitext? Shame, shame.)
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 (geometry) A polyhedron having of six identical square faces.
 Any object more or less in the form of a cube.
 a sugar
 a stock
 (mathematics) The third power of a number, value, term or expression.

cube root 
 noun
 (mathematics) Of a number or expression, a number or expression the cube of which is equal to the given number or expression.
 3 is the cube root of 27.

cubic 
 noun
 (alggeom) A cubic curve.
adjective (notcomp)
 (geometry) Used in the names of units of volume formed by multiplying a unit of length by itself twice.
 cubic metre, cubic foot
 (alggeom) Of a class of polynomial of the form <math> a.x^3 + b.x^2 + c.x + d </math>
 (crystallography) Having three equal axes and all angles 90Â°.

cuboid 
 noun (plural cuboids)
 (anatomy) The cuboid bone.
 (mathematics) A rectangular parallelepiped.
adjective
 Of the shape of a cube.

curve 
 noun
 A gentle bend, such as in a road.
 A simple figure containing no straight portions and no angles; a curved line.
 (analyticgeom) A continuous map from a onedimensional space to a multidimensional space.
 (geometry) A onedimensional figure of nonzero length; the graph of a continuous map from a onedimensional space.
 (alggeom) An algebraic curve; a polynomial relation of the planar coordinates.
 (topology) A onedimensional continuum.
 (informal, usually in plural curves) The attractive shape of a woman's body.
adjective
 (obsolete) Bent without angles; crooked; curved.
 a curve line
 a curve surface

curvilinear 
 adjective
 (italbrac, Of a line) Having bends.

cusp 
 noun
 A sharp point or pointed end.
 (figuratively) An important moment when a decision is made that will determine future events.
 (geometry) A point of a curve where it has two tangents.
 (astrology) A boundary between zodiacal astrological sign, signs and houses.
 (dentistry) Any of the pointed parts of a canine tooth or molar.

cycle 
 noun
 An interval of space or time in which one set of events or phenomena is completed.
 A complete rotation of anything.
 A process that returns to its beginning and then repeats itself in the same sequence.
 A series of poems, songs or other works of art
 A programme/program on a washing machine, dishwasher, etc.
 Put the washing in on a warm cycle.
 A generic term for a pedalpowered vehicle (unicycles, bicycles and tricycles), or motorized vehicle that has either two or three wheels (motorbike, motorcycle, motorized tricycle, motortrike).
 (baseball) When a batter hits a single, a double, a triple, and a homer in the same game
 Jones hit for the in the game.
verb (cycl, ing)
 To ride a
 Noun, cycle.
 To go through a cycle or to put through a cycle.
 (electronics) To turn power off and back on
 Avoid cycling the device unnecessarily.
 (icehockey) To maintain a team's possession of the puck in the offensive zone by handling and passing the puck in a loop from the boards near the goal up the side boards and passing to back to the boards near the goal
 They have their cycling game going tonight.

cycloid 
 noun (plural cycloids)
 (geometry) The locus of a point on the circumference of a circle that rolls without slipping on a fixed straight line.
 (zoology) A fish having cycloid scales.
adjective
 resemble, Resembling a circle; cycloidal.
 (zoology) (of fish scales) Thin and rounded, with smooth edges.

cyclotomy 
 noun  (medicine) surgical removal of the ciliary muscle; cyclicotomy
 (mathematics) the historical problems of dividing the circle into a given number of equal segments, and of constructing regular polygons
 (mathematics) the analytical extraction of the complex roots of unity; a de Moivre number

cylinder 
 noun
 (geometry) A surface created by projecting a closed twodimensional curve along an axis intersecting the plane of the curve.
 When the twodimensional curve is a circle, the cylinder is called a circular cylinder. When the axis is perpendicular to the plane of the curve, the cylinder is called a right cylinder. In nonmathematical usage, both 'right and circular are usually implied.
 (geometry) A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder.
 Any object in the form of a circular cylinder.
 1898 " w:H. G. Wells, H. G. Wells, http://en.wikisource.org/wiki/The_War_of_the_Worlds The War of the Worlds Ch.4
 :A big greyish rounded bulk, the size, perhaps, of a bear, was rising slowly and painfully out of the .
 A cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a pistondriven engine.
 A container in the form of a cylinder with rounded ends for storing pressurized gas.
 An early form of phonograph recording, made on a wax cylinder.

cylindrical 
 adjective
 Shaped like a cylinder.
