Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Mathematics A polygon having four sides.
- adj. Having four sides.
Century Dictionary and Cyclopedia
- Having four sides; composed of four lines.
- n. A figure formed of four Straight lines. In the old geometry the lines are supposed to terminate at four intersections; in modern geometry the lines are regarded as infinite, and a plane quadrilateral as having six angles. Such a figure has three diagonals or axes, being straight lines through opposite vertices, and three centers, which are the intersections of the axes.
- n. Milit., the space inclosed between, and defended by, four fortresses: as, the Bulgarian quadrilateral. The most famous quadrilateral was that in northern Italy, inclosed by the fortresses of Peschiera, Mantua, Verona, and Legnago.
Wiktionary
- n. a polygon having four sides.
- adj. having four sides.
GNU Webster's 1913
- adj. Having four sides, and consequently four angles; quadrangular.
- n. (Geom.) A plane figure having four sides, and consequently four angles; a quadrangular figure; any figure formed by four lines.
- n. An area defended by four fortresses supporting each other.
WordNet 3.0
- adj. having four sides
- n. a four-sided polygon
Examples
“For instance, the term quadrilateral, or four-sided rectilinear figure, is correctly divided into square, oblong, rhombus, rhomboid and trapezium.”
“In the dead center of the quadrilateral was the sign of the pentagram.”
“So far as the so-called quadrilateral talks were concerned, these were one-off talks at officer level between Australia, US, India and Japan.”
Transcript - The Hon Stephen Smith MP, Minister for Foreign Affairs
“All these stars are of the second order of magnitude (the specific meaning of this expression will be explained in the next chapter), except the last ([delta]) of the quadrilateral, which is of the third order.”
“Then this rule would to another: opposite angles in the quadrilateral will be the sum of 180 degrees.”
“A quadrilateral is a polygon with 4 sides, and the term includes square, rectangle, trapezoid, kite, etc.”
“Mr. Callahan A quadrilateral is a polygon with four sides.”
“This South Korean loser comedy's love "quadrilateral," in which a Kangwon Province stamp-maker (Park Kwang-jun) attempts to revenge his cuckolding by a cab-driving womanizer (Jung Bo-seog), may not be fundamentally any more original than the triangle in Never Forever.”
“When Lord Roberts had swept past to the north he had brushed aside the flower of the Orange Free State army, who occupied the considerable quadrilateral which is formed by the north-east of that State.”
“If anybody in this world who didn't have a Ph. D in mathematics wrote this book, they would NEVER have used such a ridiculously pompous word as "quadrilateral" for a square.”
Lists
These user-created lists contain the word ‘quadrilateral’.
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PECH - fishing technology
anchor, berth, drop anchor, anchored floating..., artificial restoc..., bait, beam trawls, bottom gillnets, entangling nets, bottom nets, bottom-set nets, bottom pair trawl and 478 more...
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Interesting words
A list of words that are odd or words that I have looked up.
concupiscence, brize, scree, scoria, forestaff, spanaemia, valetudinarianism, distasture, pyrethrum, laudanum, gentian, bicameral and 11184 more...
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quadr-
four; fourfold; square
quadrangle, quadruped, quadratic, quadruple, quadragenarian, quadriplegic, quadragesimal, quadratocubic, quadrilateral, quadricentennial, quadrumanous
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Ptolemy's Gate
Words and phrases from Jonathan Stroud's book, Ptolemy's Gate.
fall afoul, fleet, tamarisk, krait, inkstone, hotted up, down-market, have a truck with, brio, fatalistic, knock-kneed, conserve and 210 more...
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dienekes's Words
chutzpah, lexicon, intrepid, pedagogical, schlemiel, schism, erudite, anathema, pugilist, jaunty, paradigm, automaton and 949 more...
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MsHalston's Words
theoretically, insufferable, apolitico, milquetoast, egregious, aplomb, elan, fraught, flummox, befrocked, moll, molten and 605 more...
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InstantWordPower
sesquipedalian, optometrist, quadruped, biped, bimonthly, bifocal, bicuspid, bivalve, quadraphonic, quadruplet, quadruple, quadrilateral and 107 more...
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miscellany
preposterous, minimalism, outnumbered, subroutine, malinger, oddity, eccentricity, laughable, oxymoronic, interstellar, winter, heedless and 335 more...
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Q and U.
quiddity, quincunx, quorum, quibble, querelous, query, quantum, queue, quaalude, question, quarry, quagmire and 34 more...
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mathematical delights
zero, cartesian, ellipse, binomial, parabola, algebraic, quadrilateral, circumference, pi, modulus, indices, matrices and 39 more...
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7th Grade Pre-Algebra
a collection of words we study in pre-algebra
segment, algebra, point, line, ray, geometry, oxygon, scalene, obtuse, similar, congruent, probability and 22 more...
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Geometrics
geometric shapes
concentricity, polyhedron, spheroid, isosceles triangles, rhombus, octagonal, decagon, trapezoid, concavity, hyperbolic, heptagon, cycloid and 16 more...
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begins with "qu"
"Qu..." seems to produce some extraordinarily euphonious words.
quiescent, quantifiable, quadrilateral, quackery, quaff, quadrennial, quadruplicate, quaking aspen, qualmish, quandaries, quark, quartziferous and 31 more...
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geometry
catenary, angle, ray, segment, sector, circle, chord, diameter, radius, area, perimeter, volume and 49 more...
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words i rather like
plethora, esoteric, malaise, tangential, moribund, cuspid, quadrilateral, shirk, tea, petrochemical, intonation, bazouki and 20 more...
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List 9
Derivatives from Chapter 9 of Part One of English Words from Latin and Greek Elements
collateral, senile, unilateral, generate, luminary, turbulent, aquatic, corpulent, precarious, invoke, gregarious, deflate and 9 more...
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