Hydantoin

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The heterocycle imidazolidine-2,4-dione derived from urea and glycolic acid; any of its many derivatives
  2. 2
    any of a group of anticonvulsant drugs used in treating epilepsy wordnet

Etymology

From hydrogenation and allantoin.

Related phrases

DMDM hydantoinglycolic acid

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.