phenytoin
noun
\
Definition of phenytoin
: a crystalline anticonvulsant compound C15H12N2O2 used in the form of its sodium salt in the treatment of epilepsy
— called also
diphenylhydantoin
Keep scrolling for more
Keep scrolling for more
More Definitions for phenytoin
phenytoin
noun
\
Medical Definition of phenytoin
: an anticonvulsant used often in the form of its sodium salt C15H11N2NaO2 to prevent or treat seizures
— called also
diphenylhydantoin
Comments on phenytoin
What made you want to look up phenytoin? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Words from Greek and Roman Mythology Quiz
-
- Boreal comes from the name of the ancient Greek god of which wind?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Words from Greek and Roman Mythology Quiz
A mythological/etymological mashup!
Take the quiz -
Great Scrabble Words—A Quiz
Words to improve your Scrabble game
Take the quiz -
Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz -
Add Diction
Build a chain of words by adding one letter at a time.
Play the game
Share phenytoin
Resources for phenytoin