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Dilantin Syllabification: Di·lan·tin
Pronunciation: /ˌdīˈlantin/

Definition of Dilantin in English:


Trademark for phenytoin.
Example sentences
  • Phenobarbital, Dilantin, Tegretol and Lamictal can decrease the Depakene blood level.
  • The ER doctor told me that he did not think my mom had even had her Dilantin the past few days because her level was so low.
  • Another reader found that a generic substitute did not work as well as her brand-name anticonvulsant: ‘I have been on Dilantin for 50 years.’


1930s: from di-1 'two' + -l- + (hyd)ant(o)in.

Definition of Dilantin in:

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