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Meaning of trimethadione

tri•meth•a•di•one

Pronunciation: (trī-meth"u-dī'ōn), [key]
— n. Pharm.
  1. a synthetic, white, crystalline powder, CHNO, used as an anticonvulsant to control petit mal epileptic seizures.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.