norlignanWiktionary 原文英美构词拆解nornor-前缀lignanlignan词干nor-(organic chemistry) A compound derived from another by removal of a radical, especially by removal of methyl or methylene.词源说明From nor- + lignan.释义名词noun1(organic chemistry) Any of a group of plant metabolites based on diphenylpentane同族词派生词 1bisnorlignan