triangle

triangle

top: right triangle

bottom: equilateral triangle

tri·an·gle

 (trī′ăng′gəl)

n.

1.

a. The plane figure formed by connecting three points not in a straight line by straight line segments; a three-sided polygon.

b. Something shaped like such a figure: a triangle of land.

2. Any of various flat, three-sided drawing and drafting guides, used especially to draw straight lines at specific angles.

3. Music A percussion instrument consisting of a piece of metal in the shape of a triangle open at one angle.

4. A relationship involving three people, especially a ménage à trois.

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[Middle English, from Old French, from Latin triangulum, from neuter of triangulus, three-angled : tri-, tri- + angulus, angle.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

triangle

(ˈtraɪˌæŋɡəl)

n

1. (Mathematics) geometry a three-sided polygon that can be classified by angle, as in an acute triangle, or by side, as in an equilateral triangle. Sum of interior angles: 180°; area: base × height

2. any object shaped like a triangle

3. any situation involving three parties or points of view. See also eternal triangle

4. (Instruments) music a percussion instrument consisting of a sonorous metal bar bent into a triangular shape, beaten with a metal stick

5. a group of three

[C14: from Latin triangulum (noun), from triangulus (adjective), from tri- + angulus corner]

ˈtriˌangled adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

tri•an•gle

art at tribrach

(ˈtraɪˌæŋ gəl)

n.

1. a closed plane figure having three sides and three angles.

2. a flat triangular piece with straight edges, used in connection with a T square for drawing perpendicular lines, geometric figures, etc.

3. any three-cornered or three-sided figure, object, or piece: a triangle of land.

4. a musical percussion instrument that consists of a steel triangle, open at one corner, that is struck with a steel rod.

5. a group of three; triad.

6. a situation involving three persons, esp. one in which two of them are in love with the third.

[1350–1400; Middle English < Latin triangulum, n. use of neuter of triangulus three-cornered. See tri-, angle¹]

tri′an`gled, adj.

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

triangle

The area (A) of a triangle can be calculated using the following formula: A = ¹/₂ bh.

tri·an·gle

(trī′ăng′gəl)

A closed geometric figure consisting of three sides.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Triangle

 a set of three.

Example: long wavering triangle of waterfowl, 1895.

Dictionary of Collective Nouns and Group Terms. Copyright 2008 The Gale Group, Inc. All rights reserved.

Thesaurus

Noun	1.	triangle - a three-sided polygon     trigon, trilateral polygon, polygonal shape - a closed plane figure bounded by straight sides acute triangle, acute-angled triangle - a triangle whose interior angles are all acute equiangular triangle, equilateral triangle - a three-sided regular polygon isosceles triangle - a triangle with two equal sides oblique triangle - a triangle that contains no right angle obtuse triangle, obtuse-angled triangle - a triangle that contains an obtuse interior angle right triangle, right-angled triangle - a triangle with one right angle scalene triangle - a triangle with no two sides of equal length cuneus, wedge, wedge shape - any shape that is triangular in cross section
	2.	triangle - something approximating the shape of a triangle; "the coastline of Chile and Argentina and Brazil forms two legs of a triangle" shape, form - the spatial arrangement of something as distinct from its substance; "geometry is the mathematical science of shape"
	3.	Triangle - a small northern constellation near Perseus between Andromeda and Aries Triangulum
	4.	triangle - any of various triangular drafting instruments used to draw straight lines at specified angles drafting instrument - an instrument used by a draftsman in making drawings
	5.	triangle - a percussion instrument consisting of a metal bar bent in the shape of an open triangle percussion instrument, percussive instrument - a musical instrument in which the sound is produced by one object striking another

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

Translations

مُثَلَّثمُثَلَّث موسيقي

triangltrojúhelník

trekanttriangel

DreieckTriangel

τρίγωνο

triangulo

triángulo

kolmiotriangeli

triangleéquerre

trokuttriangl

háromszögtriangulum

òríhornòríhyrningurþríhornþríhyrningur

triangolol'eterno triangolotriangolare

トライアングル三角形

삼각형트라이앵글

triangulum

trikampis

trijstūris

driehoektriangel

trekanttriangel

trójkąt

triângulo

треугольник

triangel

trikotniktriangel

triangeltrehörningtrekant

กิ๋ง เครื่องดนตรีรูปสามเหลี่ยมสามเหลี่ยม

üçgentriangelüç köşe

hình tam giáckẻng ba gốc

三角三角铁三角形

triangle

[ˈtraɪæŋgl] N (also Mus) → triángulo m

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

triangle

[ˈtraɪæŋg^əl] n

(MATHEMATICS) → triangle m

(MUSIC) → triangle m

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

triangle

n → Dreieck nt; (= set square) → (Zeichen)dreieck nt; (Mus) → Triangel m; (fig: = relationship) → Dreiecksbeziehung f

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

triangle

[ˈtraɪˌæŋgl] n (Math, Mus) → triangolo

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

triangle

(ˈtraiӕŋgl) noun

1. a two-dimensional figure with three sides and three angles. driehoek مُثَلَّث триъгълник triângulo trojúhelník das Dreieck trekant τρίγωνοtriángulo kolmnurk مثلث kolmio triangleמשולש त्रिकोण trokut háromszög segitiga þríhyrningur triangolo 三角形 삼각형 trikampis trijstūris segi tiga driehoektrekanttrójkąt مثلث triângulo tri­unghi треугольник trojuholník trikotnik trougao triangel รูปสามเหลี่ยม üçgen 三角(形) трикутник تثليث، سہ زاوياتي شکل hình tam giác 三角（形）

2. a musical instrument consisting of a triangular metal bar that is struck with a small hammer. driehoek مُثَلَّث موسيقي триъгълник triângulo triangl der Triangel triangel τρίγωνοtriángulo triangel تریزه triangeli triangleשליש त्रिकोण वस्तु triangl triangulum segitiga þríhorn triangolo トライアングル (익기) 트라이앵글 trikampis trijstūris kerincing triangeltriangeltrójkąt تریزه triângulo trianglu треугольник triangel triangel triangl triangel เหล็ก 3 เหลี่ยมสำหรับเคาะจังหวะในดนตรี üç köşe, triangel 三角鐵(一種打擊樂器) трикутник موسيقي کا آلۂ مثلث cái phách hình tam giác 三角铁（一种打击乐器）

triˈangular (-gju-) adjective

in the shape of a triangle. a triangular road-sign; It is triangular in shape. driehoekig مُثَلَّثي الشَّكْل триъгълен triangular trojúhelníkový dreieckig trekantet τριγωνικόςtriangular kolmnurkne مثلثی؛ سه گوش kolmiomainen triangulaireמשולש त्रिकोण जैसा trokutast háromszögű segitiga þríhyrndur triangolare 三角形の 삼각형의 trikampis trijstūra-; trīsstūrains berbentuk tiga segi driehoekigtrekantet, trekant-trójkątny مثلثی ، دری ګوټه triangular triunghiular треугольный trojuholníkový trikoten trouglast triangulär, trekantig เป็นรูปสามเหลี่ยม üçgen şeklinde 三角形的 трикутний; тригранний مثلث có hình giống tam giác 三角形的

Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

triangle

→ مُثَلَّث triangl, trojúhelník trekant, triangel Dreieck, Triangel τρίγωνο triángulo kolmio, triangeli triangle triangl, trokut triangolo トライアングル, 三角形 삼각형, 트라이앵글 driehoek, triangel trekant, triangel trójkąt triângulo треугольник triangel กิ๋ง เครื่องดนตรีรูปสามเหลี่ยม, สามเหลี่ยม üçgen hình tam giác, kẻng ba gốc 三角, 三角铁

Multilingual Translator © HarperCollins Publishers 2009

tri·an·gle

n. triángulo.

English-Spanish Medical Dictionary © Farlex 2012