pentadecagon

== English == === Etymology === From pentadeca- +‎ -gon. === Pronunciation === IPA(key): /ˌpɛntəˈdɛkəɡən/ === Noun === pentadecagon (plural pentadecagons) (geometry) A polygon with fifteen sides. ==== Synonyms ==== 15-gon quindecagon ==== Related terms ==== pentadecagonal ==== Translations ==== == Romanian == === Etymology === Borrowed from French pentadécagone. === Noun === pentadecagon n (plural pentadecagoane) pentadecagon ==== Declension ====