Phrase Hound found 107 phrases and 16 compound words that contain triangle. The most common are listed below. Open triangle in the live search for definitions, filters, and the full list.
Phrases 107
- love triangleA situation in which two suitors vie or compete for the love of the same person.
- Bermuda TriangleAn area of the Atlantic Ocean where many ships and planes have disappeared under allegedly mysterious circumstances.
- right triangleA triangle having a right angle as one of its interior angles.
- acute triangleA triangle all of the angles of which are acute.
- Summer TriangleA bright asterism of the northern summer sky. Its corners are the three 1st-magnitude stars Altair (α Aql), Deneb (α Cyg), and Vega (α Lyr).
- Winter Triangle[the W- T-] (uranography) A bright asterism of the northern winter sky. Its corners are the three 1st-magnitude stars Betelgeuse (α Ori), Procyon (α CMi), and Sirius (α CMa).
- Devil's TriangleAn area of the Atlantic Ocean where many ships and planes have disappeared under allegedly mysterious circumstances.
- iron triangleThe policy-making relationship among the congressional committees, the bureaucracy (executive, sometimes called “government agencies”), and interest groups or lobbyists.
- warning triangleA triangle made of (usually) red reflective material, used to warn other road users of a broken-down vehicle.
- triangle of deathThe danger triangle of the face.
- danger triangleA triangular sign warning of danger.
- isosceles triangleA triangle having at least two sides equal.
- equilateral triangleA triangle having all three sides equal.
- obtuse triangleA triangle one of whose angles is obtuse.
- fire triangleThe three elements necessary and sufficient to sustain a fire: fuel (e.g. wood or petrol/gasoline), oxidizer (e.g. oxygen), and sufficient heat (e.g. reaction temperature or activation energy).
- triangle waveA function or waveform that alternately ramps linearly upwards and then downwards.
- Lithium TriangleA region of Bolivia, Chile and Argentina in the Atacama Desert, which produces much of the world's lithium supply, and contains most of the world's known lithium reserves.
- Golden TriangleAny region of prosperity, influence, etc. bounded by three points.
- Northern TriangleA region of Central America consisting of Guatemala, El Salvador, and Honduras.
- Pascal's triangleA geometric representation of the binomial coefficients in a triangle, each entry being the sum of the two entries above.
- black triangleOne of a class of triangle-shaped unidentified flying objects, usually with a light in each corner.
- scalene triangleA triangle having each of its three sides of different lengths.
- triangle of lifeA space next to a solid object, which (according to a disputed theory) a person should occupy in order to reduce the risk of injury inside a collapsing building, e.g. during earthquake. The crushing of the solid object is said to form a …
- eternal triangleA relationship involving three persons (usually two women and one man or two men and one woman) among whom there are conflicting and competing attachments of a romantic or emotional nature.
- Morley triangleAny of a number of triangles described in Morley's trisector theorem, especially the equilateral triangle formed from the points of intersection of adjacent angle trisectors of a given triangle.
Compound words 16
- TriBeCaAlternative spelling of Tribeca.
- trilliantA gemstone cut in a triangular shape.
- triangulistA person who plays the triangle.
- triovalA shape that is a hybrid of triangle and oval, sometimes used for motor racetracks.
- abracadabrangleA representation of the word "abracadabra" in the visual form of a triangle, used as an amulet or charm.
- foretriangleA triangular space on a sailing ship between the deck, foremast, and forestay.
- gyrotriangleA triangle in gyrovector space.
- nanotriangleA nanoscale triangle.
- pseudotriangleAny subset of a plane that lies between any three mutually tangent convex sets
- subtriangleA triangle forming part of a larger triangle.