tri·​metha·​di·​one ˌtrī-ˌmeth-ə-ˈdī-ˌōn How to pronounce trimethadione (audio)
: a crystalline anticonvulsant C6H9NO3 used chiefly in the treatment of absence seizures see tridione

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Cite this Entry

“Trimethadione.” Medical Dictionary, Merriam-Webster, Accessed 15 Apr. 2024.

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