hydroxyureaWiktionary 原文构词拆分hydroxy-前缀(chemistry) having, or derived from, a hydroxyl radical+urea词根/词干词源说明From hydroxy- + urea.释义（英文）名词 Noun(organic chemistry) The hydroxylated derivative of urea, NH2CO-NHOH, used as an antineoplastic drug; any N- or O- derivative of this compound