enneagon

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English[edit]

A regular enneagon

Etymology[edit]

ennea- +‎ -gon

Pronunciation[edit]

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Noun[edit]

enneagon (plural enneagons)

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

Synonyms[edit]

Usage notes[edit]

  • 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.

Translations[edit]

Related terms[edit]

External links[edit]