Definition of phenytoin in English:

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phenytoin

Pronunciation: /ˌfeniˈtō-in/ /fəˈnitō-in/

noun

Medicine
A synthetic compound related to hydantoin, used as an anticonvulsant in the treatment of epilepsy.
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.

For editors and proofreaders

Syllabification: phen·y·to·in

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