Definition of hydantoin in English:


Line breaks: hy|dan¦toin
Pronunciation: /hʌɪˈdantəʊɪn


A crystalline compound present in sugar beet and used in the manufacture of some anticonvulsant drugs.
  • A cyclic derivative of urea; chemical formula: C3H4N2O2
More example sentences
  • Drugs that have been implicated include penicillin, aminopenicillins, sulfonamides, allopurinol, thiazides, quinolones, hydantoins, and propylthiouracil.
  • They were working to create antimicrobial coatings by incorporating a molecule called hydantoin into fluorine-containing polymer chains.


mid 19th century: from Greek hudōr 'water' + allantoic (see allantois) + -in1.

Definition of hydantoin in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day hypnopompic
Pronunciation: ˌhɪpnə(ʊ)ˈpɒmpɪk
relating to the state immediately preceding waking up