indinWiktionary 原文构词拆分indigo词根/词干+-in后缀(biochemistry) Used, as a modification of -ine, to form the names of a variety of types of compound; examples include proteins (globulin), carbohydrates (dextrin), dyes (alizarin) and others (vanillin).词源说明From indigo + -in.释义（英文）名词 Noun(organic chemistry) A dark red crystalline substance, isomeric with and resembling indigo blue, and obtained from isatide and dioxindol.