Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A white crystalline substance, C6H9NO3, used as an anticonvulsant in the treatment of epilepsy.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An anticonvulsant drug used to control epilepsy.

Etymologies

tri- + meth(yl) + di-1 + -one.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

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