tetracontagon

== English == === Etymology === From tetra- +‎ -conta- +‎ -gon. === Pronunciation === IPA(key): /ˈtɛ.tɹəˈkɑntæ.ɡɑn/ Hyphenation: tetra‧con‧ta‧gon === Noun === tetracontagon (plural tetracontagons) (geometry) A 40-sided polygon. ==== Synonyms ==== 40-gon ==== Translations ====