胆绿素 Traditional form: 膽綠素 Pinyin (reading): dǎnlüsù Definitions: biliverdin Characters: 胆 - gallbladder; gall, guts, courage 绿 - green; chlorine 素 - plain; white; vegetarian; formerly; normally Traditional characters: 膽 - gallbladder; gall, guts, courage 綠 - green; chlorine 素 - plain; white; vegetarian; formerly; normally