| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024tri•an•gle /ˈtraɪˌæŋgəl/USA pronunciation n. [countable]- Mathematicsa closed plane figure having three sides and three angles:an equilateral triangle.
- a flat, three-sided piece of metal or plastic, with straight edges, used with a T square for drawing lines, etc.
- any three-cornered or three-sided figure or piece:a triangle of land.
- a delicate situation involving three persons, esp. one in which two of them are in love with the third.
tri•an•gu•lar /traɪˈæŋgyəlɚ/USA pronunciation adj. WordReference Random House Unabridged Dictionary of American English © 2024tri•an•gle (trī′ang′gəl),USA pronunciation n. - 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, esp. one in which two of them are in love with the third.
- ([cap.]) [Astron.]the constellation Triangulum.
- Latin triangulum, noun, nominal use of neuter of triangulus three-cornered. See tri-, angle1
- Middle English 1350–1400
Collins Concise English Dictionary © HarperCollins Publishers:: triangle /ˈtraɪˌæŋɡəl/ n - 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: ½base × height
- any object shaped like a triangle
- any situation involving three parties or points of view
See also eternal triangle - a percussion instrument consisting of a sonorous metal bar bent into a triangular shape, beaten with a metal stick
- a group of three
Etymology: 14th Century: from Latin triangulum (noun), from triangulus (adjective), from tri- + angulus cornerˈtriˌangled adj |