取代基 qǔdàijī substituent Definitions Defs Origin Strokes Stroke Words Sentences Sents 取代基 qǔdàijī substituent (chemistry) an atom or group of atoms that replaces a hydrogen atom on a parent chain of a hydrocarbon
取代基 qǔdàijī substituent (chemistry) an atom or group of atoms that replaces a hydrogen atom on a parent chain of a hydrocarbon