equilateral meaning: definition, etymology and quotations

equilateral

adj

Etymology From equi- + lateral.

Geometry, Mathematics, Sciences Of a polygon Having all the sides equal.

Kissinger had wanted to keep an “equilateral” distance between the US, USSR and China. Under Carter, they became de facto partners.2025 April 12, Edward Luce, “The revenge of geopolitics”, in FT Weekend (Life & Arts section), London: The Financial Times Ltd., →ISSN, →OCLC, page 2:

Geometry, Mathematics, Sciences Of a polyhedron Having all the faces equal.

Biology, Natural sciences, Zoology Having the two sides equal, as a surface divisible by a longitudinal median line into two halves of the same form.

Biology, Natural sciences, Zoology Having all the convolutions of the shell in one plane, chiefly of foraminifers.

Derived terms: equilateral arch, equilateral cross, equilateral hyperbola, equilaterality, equilaterally, equilateral triangle, hemiequilateral, inequilateral, nonequilateral, unequilateral

noun

Etymology From equi- + lateral.

A side exactly corresponding, or equal, to others.

A figure having all its sides equal.