plural of triangle wave

A region of Bolivia, Chile, Argentina, in the Atacama Desert, which produces much of the world's lithium supply, and contain most of the known world lithium reserves

plural of golden triangle

An area that is dangerous and where people or vessels may disappear. / A set of three things considered dangerous.

A region of West Yorkshire, between Wakefield, Morley and Rothwell, famous for producing early forced rhubarb.

plural of acute triangle

plural of equilateral triangle

plural of isosceles triangle

A right-angled triangular array of the natural numbers, whose generation is often set as an exercise in computer science education.

Used other than figuratively or idiomatically: see black, triangle. / (ufology) One of a class of triangle-shaped unidentified flying objects, usually with a light in each corner.