triangle

[ trahy-ang-guh l ]

/ ˈtraɪˌæŋ gəl /

SEE SYNONYMS FOR triangle ON THESAURUS.COM

noun

a closed plane figure having three sides and three angles.

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

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

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

a group of three; triad.

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

(initial capital letter) Astronomy. the constellation Triangulum.

Origin of triangle

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

OTHER WORDS FROM triangle

tri·an·gled, adjective

Words nearby triangle

trialogue, trials and tribulations, trialware, triamcinolone, trianda, triangle, triangle inequality, triangle of auscultation, triangle of forces, triangle of safety, triangular

Example sentences from the Web for triangle

Each side of the triangle will measure five miles in width, a foot in depth, and nearly 307 miles in length.

The 2013 Novel of the Year Is… |Nathaniel Rich |December 30, 2013 |DAILY BEAST
Legambiente has been warning of the equivalent of an environmental apocalypse in the triangle of death for years.

Italy’s Triangle Of Death: Naples Residents Blame Child Cancer Rates On Mob Disposal Of Toxic Chemicals |Barbie Latza Nadeau |November 21, 2013 |DAILY BEAST
It was not conceived for what Tel Aviv has become and what the East Jerusalem-Ramallah-Hebron triangle will inevitably become.

How The Israeli-Palestinian Peace Process Became The World's Greatest Bore |Bernard Avishai |April 16, 2013 |DAILY BEAST
But she did like Ben Dahan: she said he made her rethink the “triangle.”

Young Israeli Rightists Choose Between Ultra-Nationalists |Elisheva Goldberg |January 2, 2013 |DAILY BEAST

The triangle is “like a rubber band wound up in a toy propeller,” Turner says.

Romney’s Intrade Stock: Ready for a Bull Run? |Alex Klein |August 14, 2012 |DAILY BEAST
The cups were filled and the three men sat down in a triangle of chairs before any of them spoke again.

Anything You Can Do ... |Gordon Randall Garrett
Large works on geometry are filled with explanations, demonstrations, and applications of the properties of the triangle.

Fundamental Philosophy, Vol. I (of 2) |Jaime Luciano Balmes
In the zenith—that is, above the top of the Pyramid—is a triangle surrounded by a glory; and in the centre is an all-seeing eye.

The Lost Ten Tribes, and 1882 |Joseph Wild
Putting the three in a triangle, he balanced the jade box on them.

Huntingtower |John Buchan
I found myself staring fixedly at the old and familiar enough symbol of the rayed eye within the triangle.

A Woman Named Smith |Marie Conway Oemler

British Dictionary definitions for triangle

triangle

/ (ˈtraɪˌæŋɡəl) /

noun

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: 1/2 base × height

any object shaped like a triangle

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

music a percussion instrument consisting of a sonorous metal bar bent into a triangular shape, beaten with a metal stick

a group of three

Derived forms of triangle

triangled, adjective

Word Origin for triangle

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

Medical definitions for triangle

triangle

[ trī′ăng′gəl ]

n.

A three-sided area, space, or structure.

Scientific definitions for triangle

triangle

[ trī′ăng′gəl ]

A closed geometric figure consisting of three sides.

Idioms and Phrases with triangle

triangle

see eternal triangle.

BROWSE DICTIONARY

Learning

triangle

noun

Origin of triangle

OTHER WORDS FROM triangle

Words nearby triangle

Example sentences from the Web for triangle

British Dictionary definitions for triangle

noun

Derived forms of triangle

Word Origin for triangle

Medical definitions for triangle

n.

Scientific definitions for triangle

Idioms and Phrases with triangle

BROWSE DICTIONARY

Learning

triangle

noun

Origin of triangle

OTHER WORDS FROM triangle

Words nearby triangle

Words related to triangle

Example sentences from the Web for triangle

(adsbygoogle = window.adsbygoogle || []) .push({}); British Dictionary definitions for triangle

noun

Derived forms of triangle

Word Origin for triangle

Medical definitions for triangle

n.

Scientific definitions for triangle

Idioms and Phrases with triangle

British Dictionary definitions for triangle