Meaning of phenothiazine

phe•no•thi•a•zine

Pronunciation: (fē"nu-thī'u-zēn", -zin), [key]
— n.
  1. a grayish-green to greenish-yellow, crystalline, water-insoluble solid, CHNS, used chiefly as an insecticide and vermifuge, and in the synthesis of pharmaceuticals.
  2. any of a class of medications used principally to treat psychotic symptoms, as delusions or hallucinations, and excessive excitability.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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