enneagon

See also: enneàgon

English

A regular enneagon

Etymology

ennea- +‎ -gon

Pronunciation

  • (UK) 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

Translations

Further reading

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