English edit

 
A regular tetracontagon

Etymology edit

Blend of tetra- (4) + Ancient Greek τεσσαράκοντα (tessarákonta, 40) + -gon (-sided), from γωνία (gōnía, corner).

Pronunciation edit

  • IPA(key): /ˈtɛ.tɹəˈkɑntæ.ɡɑn/
  • Hyphenation: tetra‧con‧ta‧gon

Noun edit

tetracontagon (plural tetracontagons)

  1. (geometry) A 40-sided polygon.

Synonyms edit

Translations edit