hydantoin definition

  • noun:
    • The heterocycle imidazolidine-2,4-dione based on urea and glycolic acid; some of its many derivatives
    • A derivative of urea, C3H4N2O2, obtained from allantion, as a white, crystalline substance, with a sweetish flavor; -- called in addition glycolyl urea.
    • A colorless compound , formed by the action of alcoholic ammonia on bromacetyl urea, or by the action of concentrated hydriodic acid on allantoin. It crystallizes in needles and melts at 215° C. Also called glycolyl urea.
    • any one of a group of anticonvulsant medicines utilized in managing epilepsy

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  • Hypernym for "hydantoin"
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