четырёхгранник

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Russian

Четырёхгранник

Etymology

From четырёх- (četyrjóx-) +‎ -гра́нник (-gránnik), literally four-side-er, a calque of Ancient Greek τετράεδρον (tetráedron). Compare Ukrainian чотиригра́нник (čotyryhránnyk).

Pronunciation

Noun

четырё̀хгра́нник (četyrjòxgránnikm inan (genitive четырё̀хгра́нника, nominative plural четырё̀хгра́нники, genitive plural четырё̀хгра́нников, relational adjective четырё̀хгра́нный)

  1. (geometry) tetrahedron
    Synonym: тетраэ́др m (tetraédr)
    Hypernym: многогра́нник m (mnogogránnik, polyhedron)
    Coordinate term: четырё̀хуго́льник m (četyrjòxugólʹnik, quadrilateral; tetragon)

Declension