icosihenagon

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English[edit]

Etymology[edit]

From Ancient Greek εἰκοσιέν ‎(eikosién, twenty-one) +‎ -gon.

Pronunciation[edit]

  • Hyphenation: ico‧si‧hen‧a‧gon

Noun[edit]

icosihenagon ‎(plural icosihenagons)

  1. (geometry) A polygon with twenty-one edges and twenty-one angles.