noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   phenytoin countable, uncountable
2. 2
   an anticonvulsant drug (trade name Dilantin) used to treat epilepsy and that is not a sedative wordnet

Synonyms

All synonyms

dilantinphenytoin

Etymology

From di- (“2”) + phenyl + hydantoin.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.