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Glossary of Math Terms
beginning with letter F
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face Tweet Definition of face Like Definition of face on Facebook
noun
  1. (anatomy) The front part of the head, featuring the eyes, nose, and mouth and the surrounding area.
She has a pretty .
  1. One's facial expression.
Why the sad ?
  1. The public image.
The of this company.
  1. (geometry) Any of the flat bounding surfaces of a polyhedron.
  2. The numbered dial of a clock or watch.
  3. (cricket) The front surface of a bat.
  4. (slang) The mouth.
Shut your !
He's always stuffing his with chips.
  1. (slang) Makeup.
I'll be out in a sec, just let me put on my .
  1. (slang, professional wrestling) The good guy; a wrestler embodying heroic or virtuous traits.
The fans cheered on the as he made his comeback.
  1. Any surface; especially a front or outer one.
Put a big sign on each of the building that can be seen from the road.
They climbed the north of the mountain.
  1. (cards) the side of the card that shows its value (as opposed to the back side, which looks the same on all cards of the deck)
verb (fac, es)
  1. (transitive, of a person or animal) to position oneself or itself so as to have one's face closest to (something).
Face the sun.
  1. (transitive, of an object) to have its front closest to (something else).
Turn the chair so it faces the table.
  1. (transitive) To deal with (a difficult situation or person).
I'm going to have to this sooner or later.
  1. (intransitive) To have the front in a certain direction.
The bunkers faced north and east, toward Germany.
  1. (intransitive) (cricket) To be the striking batsman.
adjective
  1. (slang, professional wrestling) (rfd-sense) Describing the good guy wrestler.
factor Tweet Definition of factor Like Definition of factor on Facebook
noun
  1. A doer, maker; a person who does things for another person or organization
The of the trading post bought the furs.
  1. An integral part
The greatest in the decision was the need for public transportation.
The economy was a in this year's budget figures.
  1. (mathematics) Any of various objects multiply, multiplied together to form some whole
3 is a of 12, as are 2, 4 and 6.
The factors of the Klein four-group are both cyclic of order 2.
  1. (Root Cause Analysis) Influence; a phenomenon that affects the nature, the magnitude, and/or the timing of a consequence
The launch temperature was a of the Challenger disaster.
verb
  1. (transitive) To find all the factors of (a number or other mathematical object) (the objects that divide it evenly).
  2. (context, of a number or other mathematical object, intransitive) To be a product of other objects.
factorial Tweet Definition of factorial Like Definition of factorial on Facebook
noun
  1. (mathematics) The result of multiplying a given number of consecutive integers from 1 to the given number. In equations, it is symbolized by an exclamation mark (!). For example, 5! = 1
    • 2
    • 3
    • 4
    • 5 = 120.
factorize Tweet Definition of factorize Like Definition of factorize on Facebook
verb (factoriz, ing)
  1. (mathematics) To create a list of factors.
  2. (mathematics) To divide an expression into a listing items that, when multiply, multiplied together, will produce the original quantity.
field Tweet Definition of field Like Definition of field on Facebook
noun
  1. A land area free of woodland, cities, and towns; open country.
  2. A wide, open space that is usually used to grow crops or to hold farm animals.
  3. The open country near or belonging to a city -- usually used in plural.
  4. (physics) A region affected by a particular force.
magnetic field
  1. A course of study or domain of knowledge or practice.
  2. (mathematics) A set having two operations called addition and multiplication under both of which all the elements of the set are commutative and associative; for which multiplication distributes over addition; and for both of which there exist an identity element and an inverse element.
The set of rational numbers, <math>\mathbb{Q}</math>, is the prototypical field.
  1. (sport) An area reserved for playing a game.
soccer field
  1. (geology) A region containing a particular mineral.
oil field or oilfield
gold field or goldfield
  1. (heraldry) The background of the shield
  2. (computing) An area of memory or storage reserved for a particular value.
verb
  1. (context, transitive, sport) To intercept or catch (a ball) and play it.
  2. (context, transitive, sport) To place a team in (a game).
  3. (transitive) To answer, accept or address.
She will questions immediately after her presentation.
filter Tweet Definition of filter Like Definition of filter on Facebook
noun
  1. A device which separates a suspended, dissolved, or particulate matter from a fluid, solution, or other substance; any device that separates one substance from another.
  2. Electronics or software that separates unwanted signals (for example noise) from wanted signals or that attenuates selected frequencies.
  3. Any item, mechanism, device or procedure that acts to separate or isolate.
    • He runs an email to catch the junk mail.
verb
  1. (transitive) To sort, sift, or isolate.
    • This strainer should out the large particles.
      1. (transitive) To diffuse; to cause to be less concentrated or focused.
    • The leaves of the trees filtered the light.
      1. (intransitive) To pass through a filter or to act as though passing through a filter.
    • The water filtered through the rock and soil.
      1. (intransitive) To move slowly or gradually; to come or go a few at a time.
    • The crowd filtered into the theater.
finer Tweet Definition of finer Like Definition of finer on Facebook
adjective
  1. (comparative of, fine)
fixed Tweet Definition of fixed Like Definition of fixed on Facebook
verb
  1. (past of, fix)
  2. Repaired.
Has your car been yet?
  1. (euphemism) Of an animal, spayed or neutered.
  2. Of a gambling device or game, crooked, dishonest, or rigged.
Don't go to that casino, the roulette wheel is fixed.
  1. (slang) Attacked or punished.
When we find out who squealed on our roulette wheel, they're going to get .
  1. (slang) Protected from arrest.
Don't worry about it, we're with the cops.
  1. Of a a public election, rigged or altered.
flex Tweet Definition of flex Like Definition of flex on Facebook
noun (es, -)
  1. (uncountable) flexibility, pliancy
  2. (countable) the act of flexing
  3. (uncountable) (mostly British) any flexible insulated electrical wiring.
verb (flex, es)
  1. to bend something.
  2. to repeatedly bend one of one's joints.
  3. to move part of the body using one's muscles.
  4. (bodybuilding): to tighten the muscles for display of size or strength.
focus Tweet Definition of focus Like Definition of focus on Facebook
noun (foc, i , - , pl2=focuses)
  1. (countable) (optics) a point at which reflected or refracted rays of light converge.
The heat of sunlight at the of a magnifying glass can easily set dry leaves on fire.
  1. (countable) (geometry) a point of a conic at which rays reflected from a curve or surface converge.
  2. (uncountable) (photography, cinematography) The fact of the convergence of light on the photographic medium.
Unfortunately, the license plate is out of in this image.
  1. (uncountable) (photography, cinematography) The quality of the convergence of light on the photographic medium.
During this scene, the boy"s face shifts subtly from soft into sharp .
  1. (uncountable) concentration of attention.
I believe I can bring the high degree of required for this important job.
  1. (countable) the exact point of where an earthquake occurs, in three dimensions.
The earthquake's was at exactly 37 degrees north, 18 degrees south, seventy five meters below the ground.
verb (focuses or, less commonly, focusses, focusing or, less commonly, focussing, focused or, less commonly, focussed)
  1. (transitive) To cause (rays of light, etc) to converge at a single point.
  2. (transitive) To adjust (a lens, an optical instrument) in order to position an image with respect to the focal plane.
You'll need to the microscope carefully in order to capture the full detail of this surface.
  1. (transitive) (followed by on or upon) To concentrate one's attention.
Focus on passing the test.
  1. (transitive) To make (a liquid) less diluted.
  2. (intransitive) To concentrate one"s attention.
If you're going to beat your competitors, you need to .
four-dimensional Tweet Definition of four-dimensional Like Definition of four-dimensional on Facebook
adjective
  1. (alggeom) Having four dimensions; being measurable along four mutually perpendicular axis, axes.
  2. (physics) Relating to the four dimensions of space-time (three spatial dimensions with the addition of time as the fourth)
We live in a four-dimensional universe.
Fourier transform Tweet Definition of Fourier transform Like Definition of Fourier transform on Facebook
noun
  1. (mathematics) a process that expresses a function as a sum or integral of sinusoidal functions multiplied by coefficients; it has many scientific and industrial applications, especially in signal processing
fractional Tweet Definition of fractional Like Definition of fractional on Facebook
adjective
  1. Pertaining to a fraction.
  2. divide, Divided; fragmentary; incomplete.
  3. Very small; minute.
free Tweet Definition of free Like Definition of free on Facebook
noun
  1. (aussie-rules) Abbreviation of free kick.
2006: Whether deserved or not, the gave Cresswell the chance to cover himself in glory with a shot on goal after the siren. http://footballlegends.org/daryn_cresswell.htm
verb (free, d)
  1. (transitive) To make free; set at liberty; release; rid of that which confines, limits, embarrasses, or oppresses.
adjective (freer, freest)
  1. Not imprisoned or enslaved.
a man
  1. Obtainable without payment.
All drinks are
  1. (context, also, _, mathematics) unconstrained, Unconstrained.
He was given rein to do whatever he wanted
The group on three generators
  1. Unobstructed, without blockages.
the drain was
  1. Without obligations.
time
  1. (context, of, _, software) With very few limitations on distribution or improvement compared to proprietary software.
We set the rabbit
  1. Being absent from it.
We had a wholesome, filling meal, of meat
  1. (complang) Of identifiers, not bound.
  2. (mycology) Not attached to the stipe.
In this group of mushrooms, the gills are .
adverb
  1. (informal) In a way which is free, especially with regard to contraints or price.
I got this bike .
frequency Tweet Definition of frequency Like Definition of frequency on Facebook
noun (frequenc, ies)
  1. (uncountable) The rate of occurrence of anything; the relationship between incidence and time period.
    • With growing confidence, the Viking"s raids increased in .
    • The of bus service has been improved from 15 to 12 minutes.
      1. (uncountable) The property of occurring often rather than infrequently.
    • The FAQ addresses questions that come up with some .
    • The of the visits was what annoyed him.
      1. (countable) The quotient of the number of times <math>n</math> a periodic phenomenon occurs over the time <math>t</math> in which it occurs: <math>f = n / t</math>.
    • The of middle C is 440 oscillations per second.
    • The of a wave is its velocity <math>v</math> divided by its wavelength <math>\lambda</math>: <math>f = v / \lambda</math>.
    • Broadcasting live at a of 98.3 megahertz, we"re your rock alternative!
    • The for electric power in the Americas is generally 60 Hz rather than 50.''
frontier Tweet Definition of frontier Like Definition of frontier on Facebook
noun
  1. That part of a country which fronts or faces another country or an unsettled region; the marches; the border, confine, or extreme part of a country, bordering on another country; the border of the settled and cultivated part of a country; as, the frontier of civilization.
    • 1940 "The was not a line, but a district where thieving Scot and thieving Englishman had sufficient liberty for roving forays." W K Hancock. Survey of Commenwealth affairs Vol II part I p.3.
    • 1979 "Unlike a boundary, which evokes the image of a line on a map and demarcates spheres of political control, the is an area where colonisation is taking place....no authority is recognised as legitimate by all parties or is able to excersise undisputed control over the area." The shaping of South African Society, 1652 - 1820. Eds. Richard Elphic and Hermann Guilomee. Longman p. 297.
adjective
  1. Lying on the exterior part; bordering; conterminous.
a town
  1. Of or relating to a frontier.
frustum Tweet Definition of frustum Like Definition of frustum on Facebook
noun (pl2=frusta)
  1. A cone or pyramid whose tip has been truncated by a plane parallel to its base.
functional Tweet Definition of functional Like Definition of functional on Facebook
noun
  1. (mathematics) A function that takes other functions as its argument.
adjective
  1. In good working order.
  2. Useful; serving a purpose
That sculpture is not merely artistic, but also . It can be used as a hatrack.
  1. (comptheory) Having semantics defined purely in terms of mathematical functions, without side-effects.
function space Tweet Definition of function space Like Definition of function space on Facebook
noun
  1. (mathematics) Any metric space whose elements are functions

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