脲醛 Save Sign in to save words niàoquán ㄋㄧㄠˋ ㄑㄩㄢˊ urea formaldehyde Character by character 脲(niào)carbamide 醛(quán)aldehyde A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0