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triangle
[ trahy-ang-guhl ]
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.
- Triangle, Astronomy. the constellation Triangulum.
triangle
/ ˈٰɪˌæŋɡə /
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
triangle
- A closed geometric figure consisting of three sides.
Derived Forms
- ˈٰˌԲ, adjective
Other Word Forms
- ٰag adjective
Word History and Origins
Word History and Origins
Origin of triangle1
Idioms and Phrases
see eternal triangle .Example Sentences
Noting the black triangle sewed to the man’s uniform, the Nazis’ label for trans prisoners, Bertie realizes the man must have escaped from nearby Dachau.
A head teacher attacked his deputy with a wrench after being hit by "overwhelming sexual jealousy" due to a love triangle at the school.
The wingers disappear, the three-player triangle in midfield becomes a box-shape four, and the other side has to scramble to keep up.
"There is a triangle between the US administration, the Kremlin and Kyiv," she claims.
Shouldn’t she at least strive to be an equal in this tangled friendship triangle?
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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