hydantoin

Definitions

  • WordNet 3.6
    • n hydantoin any of a group of anticonvulsant drugs used in treating epilepsy
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Webster's Revised Unabridged Dictionary
    • n Hydantoin (Chem) A derivative of urea, C3H4N2O2, obtained from allantion, as a white, crystalline substance, with a sweetish taste; -- called also glycolyl urea.
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Century Dictionary and Cyclopedia
    • n hydantoin 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.
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Etymology

Webster's Revised Unabridged Dictionary
Hyd,rogen + allantion,