9-gon

noun

Synonym of nonagon (“a polygon with nine sides”).

Similar
nonagon
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Meanings

noun9-gon (plural 9-gons)

plural 9-gons

  1. geometrySynonym of nonagon (“a polygon with nine sides”).

    Synonyms: nonagon

Synonyms & antonyms

nounSynonym of nonagon (“a polygon with nine sides”).

Similar
nonagon
Also see
enneagonnonagon

Origin

From 9 + -gon.

Full word history & related roots →
Cite this entry
APA

9-gon. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/9-gon

MLA

“9-gon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/9-gon. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “9-gon,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/9-gon.

Source: 9-gon on Wiktionary, CC BY-SA 4.0.