hydantoin Meaning, Definition & Usage

  1. noun any of a group of anticonvulsant drugs used in treating epilepsy

WordNet

Hy*dan"to*in noun
Etymology
Hydrogen + allantion.
Definitions
  1. (Chem.) A derivative of urea, C3H4N2O2, obtained from allantion, as a white, crystalline substance, with a sweetish taste; -- called also glycolyl urea.

Webster 1913