triangle
IPA: trˈaɪæŋgʌɫ
noun
- (geometry) A polygon with three sides and three angles.
- (US, Canada) A set square.
- (music) A percussion instrument made by forming a metal rod into a triangular shape which is open at one angle. It is suspended from a string and hit with a metal bar to make a resonant sound.
- (cue sports) A triangular piece of equipment used for gathering the balls into the formation required by the game being played.
- A love triangle.
- (systemics) The structure of systems composed with three interrelated objects.
- A draughtsman's square in the form of a right-angled triangle.
- (historical, usually in the plural) A frame formed of three poles stuck in the ground and united at the top, to which people were bound when undergoing corporal punishment.
- Any of various large papilionid butterflies of the genus Graphium.
- (rail transport) A triangular formation of railway tracks, with a curve on at least one side.
- The area comprising the cities of Raleigh, Durham and Chapel Hill in North Carolina. Used with "the" except when attributive.
- Ellipsis of Bermuda Triangle. [An area in the Atlantic Ocean where many ships and planes have disappeared under allegedly mysterious circumstances.]
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Examples of "triangle" in Sentences
- Draw the rectangle inside the triangle.
- The standard describes the fraud triangle.
- Each triangle has a square on its hypotenuse.
- The only equiangular triangle is the equilateral triangle.
- The medial triangle is the pedal triangle of the circumcenter.
- Ideally, the hoop should be on the lower triangle of the X shape.
- It is the pedal triangle of the orthocenter of the original triangle.
- The furnace is shaped like an equilateral triangle with rounded corners.
- In other words, the triangle and square in the following diagram commute.
- He doodled a triangle shaped child on the butcher paper covering the table.