equilateral

See also: équilatéral

English

An equilateral triangle.

Alternative forms

• æquilateral (archaic)

Etymology

From equi- +‎ lateral.

Pronunciation

• Rhymes: -ætəɹəl

• Audio (US):

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Adjective

equilateral (not comparable)

1. (geometry, of a polygon) Having all the sides equal.
2. (geometry, of a polyhedron) Having all the faces equal.
3. (zoology) Having the two sides equal, as a surface divisible by a longitudinal median line into two halves of the same form.
4. (zoology) Having all the convolutions of the shell in one plane, chiefly of foraminifers.

Derived terms

• equilateral arch
• equilateral cross
• equilateral hyperbola
• equilateral triangle

 

Translations

referring to a polygon all of whose sides are of equal length

• Afrikaans: ewesydig
• Albanian: barabrinjës (sq)
• Armenian: հավասարակողմ (hy) (havasarakoġm)
• Azerbaijani: bərabərtərəfli
• Belarusian: роўнабо́чны (roŭnabóčny)
• Bulgarian: равностра́нен (ravnostránen)
• Catalan: equilàter (ca)
• Chinese:

  Mandarin: 等边的

• Czech: rovnostranný
• Dutch: gelijkzijdig (nl)
• Finnish: tasasivuinen (fi)
• French: équilatéral (fr) m
• German: gleichseitig (de)
• Greek: ισόπλευρος (el) (isóplevros)

  Ancient: ἰσόπλευρος (isópleuros)

• Hebrew: שווה צלעות m (shvé tsla`ót)
• Hungarian: egyenlőoldalú
• Ido: equilatera (io)
• Italian: equilatero (it)
• Lithuanian: lygiakraštis
• Manx: co-lhiatteeagh, co-lystagh
• Polish: równoboczny (pl)
• Portuguese: equilátero (pt)
• Russian: равносторо́нний (ru) (ravnostorónnij)
• Spanish: equilátero (es)
• Tagalog: parigilid
• Ukrainian: рівносторо́нній (rivnostorónnij), рівнобі́чний (rivnobíčnyj)

Noun

equilateral (plural equilaterals)

1. A side exactly corresponding, or equal, to others.
2. A figure having all its sides equal.