Definition of phenytoin in English:

phenytoin

Syllabification: phen·y·to·in
Pronunciation: /ˌfeniˈtō-in, fəˈnitō-in
 
/

noun

Medicine
  • A synthetic compound related to hydantoin, used as an anticonvulsant in the treatment of epilepsy.
    More example sentences
    • Anticonvulsants, such as phenytoin and carbamazepine, may be given to control epileptic fits.
    • Drugs called anti-convulsants, such as phenytoin and valproic acid, are used to stop the involuntary action of the diaphragm.
    • The anticonvulsant drugs phenytoin and valproic acid appear to interfere with folate absorption.

Origin

1940s: blend of phenyl and hydantoin.

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Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody