Definition of primidone in English:

primidone

noun

Pharmacology
  • An anticonvulsant drug chemically related (and partially metabolized) to phenobarbital, used in the treatment of epilepsy and essential (idiopathic) tremor. [Chemical name: 5-ethyl-5-phenylhexahydropyrimidine-4,6-dione; C12H14N2O2. A trademark for this drug is Mysoline.]

Origin

1950s; earliest use found in The British Medical Journal. From p- + -rimid- + -one.

Pronunciation

primidone

/ˈprɪmɪdəʊn/