восемнадцатиугольник

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Russian

Восемнадцатиугольник

Etymology

восемна́дцать (vosemnádcatʹ) +‎ -и- (-i-) +‎ у́гол (úgol) +‎ -ник (-nik)

Pronunciation

Noun

восемнадцатиуго́льник (vosemnadcatiugólʹnikm inan (genitive восемнадцатиуго́льника, nominative plural восемнадцатиуго́льники, genitive plural восемнадцатиуго́льников)

  1. octadecagon

Declension