hydantoin
Hy*dan"to*in, n. Etym: [Hydrogen + allantion.] (Chem.) Defn: A derivative of urea, C3H4N2O2, obtained from allantion, as a white, crystalline substance, with a sweetish taste; -- called also glycolyl urea.
Hy*dan"to*in, n. Etym: [Hydrogen + allantion.] (Chem.) Defn: A derivative of urea, C3H4N2O2, obtained from allantion, as a white, crystalline substance, with a sweetish taste; -- called also glycolyl urea.