丙炔 bǐngquē propyne Origin Definitions Defs Strokes Stroke Words Sentences Sents 丙 bǐng propyl Chemical prefix denoting an organic group containing three carbon atoms, such as propyl or propane炔 quē alkyne (bound form) alkyne; any member of a group of organic compounds characterized by a carbon-carbon triple bond, such as 乙炔 yǐquē