enneagon

See also: enneàgon

English

A regular enneagon

Etymology

ennea- +‎ -gon

Pronunciation

• IPA^(key): /ˈɛ.niː.ə.ɡən/

Noun

enneagon (plural enneagons)

1. (geometry) A polygon with nine sides; a nonagon.

Usage notes

• While enneagon is etymologically consistent with pentagon, hexagon, etc., in that it uses a Greek prefix and suffix as opposed to a Latin prefix and a Greek suffix, its use is rare; nonagon is the more common term.

Synonyms

• nonagon

Related terms

• enneagonal

Translations

a polygon with nine sides; a nonagon

• Catalan: enneàgon m
• French: ennéagone (fr) m
• German: Neuneck (de) n
• Hebrew: מתושע m (metushá)
• (deprecated template usage) {{trans-mid}}
• Japanese: 九角形 (kyūkakukei)
• Korean: 구각형 (ko) (gugakhyeong)
• Russian: девятиугольник (ru) m (devjatiugolʹnik)
• Spanish: eneágono (es) m

Further reading

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