• synonyms


[thahy-uh-rid-uh-zeen, -zin]
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noun Pharmacology.
  1. a phenothiazine, C21H26N2S2, used as an antipsychotic chiefly in the treatment of acute psychoses and schizophrenia.
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Origin of thioridazine

First recorded in 1955–60; thio- + (pipe)rid(ine) + azine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

thioridazine in Medicine


  1. A white or yellow powder, a derivative of phenothiazine, that is used orally as a tranquilizer to treat various psychotic conditions.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.