Laplace transform 

noun

(mathematics) a function on positive real numbers such that differentiation and integration are reduced to multiplication and division
 
Latin square 

noun (pluralLatin squares)

An nbyn arrangement of n different integers such that each row, each column and each of the two diagonals contains each of the integers once and once only.

lattice 

noun
 A flat panel constructed with widelyspaced crossed thin strips of wood or other material. It is commonly used as a garden trellis.

(crystallography) a regular spacing or arrangement of geometric points, often decorated with a motif.

(algebra) A partially ordered set in which every pair of elements has a unique supremum and an infimum.

latus rectum 

noun
(geometry) The line drawn through a focus of a conic section parallel to the directrix and terminated both ways by the curve. It is the parameter of the principal axis.
<! from Webster
La"tus rec"tum (?). L., the right side. (Conic Sections) The line drawn through a focus of a conic section parallel to the directrix and terminated both ways by the curve. It is the parameter of the principal axis. See Focus, and Parameter.
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left 

noun
 The left side.

(politics) The ensemble of leftwing political party, parties. Political liberals as a group.
The political is not holding enough power.

(boxing) A punch delivered with the left fist.
verb

(past of, leave)

(Ireland) (colloquial) permitted, allowed to proceed.
 We were not go to the beach after school except on a weekend.
adjective (more left, leftmost)
 The west side of the body when one is facing north.
 remaining.

(politics) Pertaining to the political left; liberal.
adverb
 On or towards the left side.

leg 

noun

(anatomy) The limb of a human or animal that extends from the groin to the ankle.
 A part of garment, such as a pair of trousers/pants, that covers a leg.
 A stage of a journey.

(context, nautical) A distance that a sailing vessel does without changing the sails from one side to the other.

(nautical) One side of a multiplesided (often a triangle) course in a sailing race.
 A single game or match played in a tournament or other sporting contest.
 one of the two sides of a right triangle that is not the hypotenuse
verb (leg, g, ing)
 To put a series of three or more options strikes into the stock market.
 To remove the legs from an animal carcass.
 To build legs onto a platform or stage for support.

lemniscate 

noun
 The symbol for infinity, which resembles the figure 8 on its side.

(mathematics) Any closed curve (similar to a figure eight) described by a Cartesian equation of the form <math>(x^2 + y^2)^2 = a^2 (x^2  y^2)\,</math>

line 

noun (rfex)
 A rope, cord, string, or thread; a slender, strong cord, or a cord of any thickness; a hawser.
(rfdate) Who so layeth lines for to latch fowls. " Piers Plowman
fishing , anchor , clothes, tow
 A path through two or more points (see also segment); a continuous mark.
 1816: w:Percy Shelley, Percy Shelley, http://www.gutenberg.org/etext/4654 The Daemon of the World

: The atmosphere in flaming sparkles flew; / And where the burning wheels / Eddied above the mountain"s loftiest peak / Was traced a of lightning.
 A more or less threadlike mark of a pen, pencil, or graver; any long mark.
 a chalk

(geometry) An infinitely extending onedimensional figure that has no curvature; one that has length but not breadth or thickness.

(context, geometry, informal) A line segment; a continuous finite segment of such a figure.
 A row of letters, text, words, etc, written or printed, as on paper or a CRT screen; especially a row of words extending across a page or column.
 1609: w:Shakespeare, Shakespeare, s:The Sonnets/71, Sonnet 71

: Nay if you read this , remember not, / The hand that writ it.
 A sentence of dialogue in a script or screenplay, or delivered by an actor or performer.

(rfdate) It"s a small part, I have 12 lines in the movie. " Geneveve Bujold in Earthquake
 The official, stated position (or set of positions) of an individual or group, particularly a political or religious faction.
 Remember, your answers must match the party .

(rfdate) Their is gone out through all the earth. " Ps. xix. 4
 A letter, a written form of communication.
 Drop me a .
 The wire connecting one telegraphic station with another, a telephone or internet cable between two points: a telephone or network connection.
 I tried to make a call, but the was dead.
 a dedicated
 a shared
 A moreorless straight sequence of people, objects, etc., often waiting to be processed or deal with, dealt with, a queue; a continued series or rank.
 The forms on the right.
 There is a of houses.

(military) A row of men who are abreast of one another, whether side by side or some distance apart; opposed to column. .]]
 1817: w:Percy Shelley, Percy Shelley, s:The Revolt of Islam, The Revolt of Islam

: A band of brothers gathering round me, made, / Although unarmed, a steadfast front, ... now the / Of war extended, to our rallying cry / As myriads flocked in love and brotherhood to die.

(rfdate) Unite thy forces and attack their lines. " Dryden

(military) The regular infantry of an army, as distinguished from militia, guards, volunteer corps, cavalry, artillery, etc.

(context, military) A trench or rampart.
 1917, w:John Masefield, John Masefield, http://www.gutenberg.org/etext/20616 The Old Front Line

: This description of the old front line, as it was when the Battle of the Somme began, may some day be of use. ... It is hoped that this description of the will be followed by an account of our people's share in the battle.
 The products or services sold by a business.
 of business
 product
 From the services a business sells, the business itself.
 How many buses does the have?
 The air is in danger of bankruptcy.
 A ship of the .

(context, fencing, "line of engagement") The position in which the fencers hold their swords.

(graphtheory) An edge of a graph.

(cricket) The horizontal path of a ball towards the batsman (see also length).

(context, baseball, slang, 1800s, "the line") The batter"s box.

(obsolete) flax, Flax; linen, particularly the longer fiber of flax.

(rfdate) Garments made of . " Spenser
 The course followed by anything in motion; hence, a road or route.
 The arrow descended in a curved .
 w:Antarctica, The place is remote from lines of travel.
 direction, Direction
 the of sight or the of vision

(poetic) A verse, or the words which form a certain number of foot, feet, according to the measure.

(rfdate) In the preceding Ulysses speaks of Nausicaa. " Broome
 Course of conduct, thought, occupation, or policy; method of argument; department of industry, trade, or intellectual activity.

(rfdate) He is uncommonly powerful in his own , but it is not the of a firstrate man. " Coleridge
 The exterior limit of a figure, plat, or territory; a boundary; a contour; an outline; a demarcation.
 1674 " w:John Milton, John Milton, s:Paradise Lost, Paradise Lost, book IV

: Eden stretchd her Line / From Auran Eastward to the Royal Towrs / Of great Seleucia,
 A threadlike crease marking the face or the hand; hence, characteristic mark.

(rfdate) Though on his brow were graven lines austere. " Byron

(rfdate) He tipples palmistry, and dines On all her fortunetelling lines. " Cleveland
 lineament, Lineament; feature; figure (of one's body).
 circa, c 1609: W:Shakespeare, Shakespeare, s:The Tragedy of Cymbeline, The Tragedy of Cymbeline

: I mean, the lines of my body are as well drawn as his.

A series or succession of ancestors or descendants of a given person; a family or race; compare lineage.
 14th century, c: w:Geoffrey Chaucer, Geoffrey Chaucer s:The Canterbury Tales, The Canterbury Tales

: Of his lineage am I, and his offspring / By very ,
 circa, c 1604: w:Shakespeare, Shakespeare, s:Macbeth, Macbeth

: They hail'd him father to a of kings.
 1651: w:Thomas Hobbes, Thomas Hobbes, s:Leviathan, Leviathan

: The rest of the history of the Old Testament derives the succession of the of David to the Captivity, of which was to spring the restorer of the kingdom of God ...
 A connected series of public conveyances, and hence, an established arrangement for forwarding merchandise, etc.
 a of stages
 an express
 The track and roadbed of a railway; railroad.

(geography) A circle of latitude or of longitude, as represented on a map.

(context, geography, "the line" or "equinoctial line") The equator.
 to cross the
 A long tape, or a narrow ribbon of steel, etc., marked with subdivisions, as feet and inches, for measuring; a tapeline.

(context, biblical) That which was measured by a line, as a field or any piece of land set apart; hence, allotted place of abode.

(rfdate) The lines are fallen unto me in pleasant places; yes. I have a goodly heritage. " Ps. xvi. 6

(engineering) The proper relative position or adjustment of parts, not as to design or proportion, but with reference to smooth working.
 the engine is in or out of

(music) One of the straight horizontal and parallel prolonged strokes on and between which the notes are placed.

(context, stock exchange) A number of shares taken by a jobber.

(context, trade) A series of various qualities and values of the same general class of articles.
 a full of hosiery
 a of merinos
 A measure of length equal to one twelfth of an inch.
 1883: Alfred Swaine Taylor, Thomas Stevenson, The principles and practice of medical jurisprudence

: The cutis measures in thickness from a quarter of a to a and a half (a is onetwelfth of an inch).

(nautical) A rope on a nautical vessel. (Usually a rope is still in its packing; usually, once removed, it is 'line'.)
verb (lin, ing)

(transitive) To cover the inside/inner surface of (something).
The bird lines its nest with soft grass.
to a cloak with silk or fur
to a box with paper or tin

(transitive) To fill or supply (something), as a purse with money.
(rfdate) The charge amounteth very high for any one man"s purse, except lined beyond ordinary, to reach unto. " Carew.

(transitive) To place (objects) into a line (usually used with "up"); to form into a line; to align.
to troops (rfex, some more, please)

(transitive) To place persons or things along the side of for security or defense; to strengthen by adding; to fortify.
to works with soldiers
 1599 " w:William Shakespeare, William Shakespeare, s:The_Life_of_Henry_the_Fifth, Henry V, ii 4
: Line and new repair our towns of war With men of courage and with means defendant.

(transitive) To mark with a line or lines, to cover with lines.
to a copy book

(context, transitive, obsolete) To represent by lines; to delineate; to portray.
1598 " w:William Shakespeare, William Shakespeare, s:As You Like It, As You Like It, iii 2
: All the pictures fairest lined Are but black to Rosalind.

(context, transitive, obsolete) To impregnate (applied to brute animals). " Creech.

(transitive) To read or repeat line by line.
to out a hymn

(context, intransitive, "line up") To form or enter into a line.

(context, intransitive, baseball) To hit a line drive; to hit a line drive which is caught for an out. Compare fly and ground.
 Jones lined to left in his last atbat.

linear algebra 

noun (uncountable)

(mathematics) The branch of mathematics that deals with vectors, vector spaces, linear transformations and system of linear equations, systems of linear equations.

(linear algebra) an algebra over a field

linear function 

noun

(mathematics) Any function whose graph is a straight line

(mathematics) Any function of the sum of two variables whose value is the same as the sum of the values of the same function of the two variables singly

linear programming 

noun (abbreviated as LP)

(mathematics) the branch of mathematics concerned with the minimization or maximization of a linear function of several variables and inequalities; used in many branches of industry to minimize costs or maximize production

linkage 

noun (wikipedia, Linkage (mechanical))
(wikipedia, Genetic linkage)
(wikipedia, Linkage (linguistics))
 A mechanical device that connects things.
A in my car's transmission is broken so I can't shift out of first gear.
 A connection or relation between things or ideas.

(genetics) The property of genes of being inherited together.

(linguistics) A set of definitely related words for which no protolanguage can be derived.

lituus 

noun (plural litui)
 A military trumpet.
Quotations

1786: Fig. 3. A Roman Lituus, or military trumpet, such as is mentioned by Horace in his first ode. — Francis Grose, A Treatise on Ancient Armour and Weapons, page vi.

(geometry) A curve with polar equation <math>r^2 \theta = a^2</math>, where a is a constant.

local maximum 

noun

(mathematics) A maximum within a restricted domain, esp. a point on a function whose value is greater than the values of all other points near it.

local minimum 

noun
(mathematics) a point on a graph (or its associated function) such that the points each side have a greater value even though another point exists with a smaller value

locus 

noun (loci)
 A place or locality, especially a centre of activity or the scene of a crime.
The cafeteria was the of activity.

(math) The set of all points whose coordinates satisfy a given equation or condition.
A circle is the of points from which the distance to the center is a given value, the radius.
 (genetics) A fixed position on a chromosome that may be occupied by one or more genes.

log 

noun
 The trunk of a dead tree.
They walked across the stream on a fallen .
 A logbook, or journal; a record.
 1883: w:Robert Louis Stevenson, Robert Louis Stevenson, w:Treasure Island, Treasure Island

: The captain sat down to his , and here is the beginning of the entry:...

(surfing slang) longboard.
 I know he hadn"t surfed on a much in his childhood — Neal Miyake 1999 http://www.iav.com/~sponge/sesh/new2/sesh213.htm
 A rolled cake with filling. A Swiss roll.
verb (log, g, ing)
 To cut down trees.
 To make an entry in a log.

logarithm 

noun

(mathematics) For a number <math>x</math>, the power to which a given base number must be raised in order to obtain <math>x</math>. Written <math>\log_b x</math>. For example, <math>\log_{10} 1000 = 3</math> because <math>10^3 = 1000</math>.

logarithmic 

adjective

(mathematics) Of, or relating to logarithms.

logarithmic function 

noun
(mathematics) Any function in which an independent variable appears in the form of a logarithm; they are the inverse functions of exponential functions

logistic curve 

noun
(mathematics),(biology) an Sshaped curve that models the growth of many ecosystems

lowest common denominator 

noun

(mathematics) The smallest positive integer which is a multiple of every denominator of several fractions.
The of <math>1/6</math> and <math>3/10</math> is 30.

(figurative) The most simple or base shared interest or characteristic among a group or collection of people etc.
Reality TV really is appealing to the in audiences.

LSD 

initialism

(context, UK, Ireland, dated) £sd, £sd (pounds, shillings, pence)

lune 

noun (plural lunes)
 (obsolete) A fit of lunacy or madness; a period of frenzy; a crazy or unreasonable freak.
 These dangerous, unsafe lunes i' the king. w:Shakespeare, Shakespeare

