phenytoin
UK/fɛˈnɪt.əʊ.ɪn/US/fəˈnɪt.oʊ.ɪn/
phenytoin noun: a synthetic compound related to hydantoin, used as an anticonvulsant in the treatment of epilepsy.

Noun
phenytoin (uncountable)
- A synthetic compound related to hydantoin, used as an anticonvulsant in the treatment of epilepsy.
Origin of phenytoin
Contraction of diphenylhydantoin.
Words formed from phenytoin
Questions about phenytoin
- What does phenytoin mean?
- Phenytoin means a synthetic compound related to hydantoin, used as an anticonvulsant in the treatment of epilepsy.
- What part of speech is phenytoin?
- Phenytoin is a noun.
- How do you pronounce phenytoin?
- Phenytoin is pronounced /fɛˈnɪt.əʊ.ɪn/ (UK).
Words near phenytoin in the dictionary
Source and license
Adapted from Wiktionary: phenytoin (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “phenytoin.” Word.ws, https://word.ws/phenytoin. Based on Wiktionary, CC BY-SA 4.0.
