ligninWiktionary 原文英美/ˈlɪɡ.nɪn/词源链拉丁语Latin约前 75–公元 3 世纪lignum‘wood’↓ 派生英语Englishlignin词源说明From Latin lignum (“wood”) + -in.释义名词noun1(organic chemistry) A complex non-carbohydrate aromatic polymer present in all wood.同族词派生词 6ligninase·ligninolysis·