cetylpyridiniumWiktionary 原文英美构词拆解cetylcetyl词干pyridiniumpyridinium词干词源说明From cetyl + pyridinium.释义名词noun1(organic chemistry, pharmacology) A cetyl derivative of the pyridinium cation that is the basis of several cationic disinfectants同族词派生词 1cetylpyridinium chloride