EQUILATERAL

equilateral

(adjective) having all sides or faces equal

equilateral

(noun) a figure whose sides are all equal

Source: WordNet® 3.1


Etymology

Adjective

equilateral (not comparable)

(geometry, of a polygon) Having all the sides equal.

(geometry, of a polyhedron) Having all the faces equal.

(zoology) Having the two sides equal, as a surface divisible by a longitudinal median line into two halves of the same form.

(zoology) Having all the convolutions of the shell in one plane, chiefly of foraminifers.

Noun

equilateral (plural equilaterals)

A side exactly corresponding, or equal, to others.

A figure having all its sides equal.

Source: Wiktionary


E`qui*lat"er*al, a. Etym: [L. aequilateralis; aequus equal + latus, lateris, side: cf. F. équilatéral.]

Definition: Having all the sides equal; as, an equilateral triangle; an equilateral polygon. Equilateral hyperbola (Geom.), one whose axes are equal.

– Equilateral shell (Zoöl.), one in which a transverse line drawn through the apex of the umbo bisects the valve, or divides it into two equal and symmetrical parts.

– Mutually equilateral, applied to two figures, when every side of the one has its equal among the sides of the other.

E`qui*lat"er*al, n.

Definition: A side exactly corresponding, or equal, to others; also, a figure of equal sides.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

23 May 2025

THOUGHTFULLY

(adverb) showing consideration and thoughtfulness; “he had thoughtfully brought with him some food to share”


coffee icon

Coffee Trivia

The world’s most expensive coffee costs more than US$700 per kilogram. Asian palm civet – a cat-like creature in Indonesia, eats fruits, including select coffee cherries. It excretes partially digested seeds that produce a smooth, less acidic brew of coffee called kopi luwak.

coffee icon