# phenytoin

> English word · Noun · IPA /fɛˈnɪt.əʊ.ɪn/ · frequency rank #87,672

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

## Etymology
Contraction of diphenylhydantoin.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/phenytoin