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phenothiazine

[fee-nuh-thahy-uh-zeen, -zin] /ˌfi nəˈθaɪ əˌzin, -zɪn/
noun
1.
Chemistry. a grayish-green to greenish-yellow, crystalline, water-insoluble solid, C 1 2 H 9 NS, used chiefly as an insecticide and vermifuge, and in the synthesis of pharmaceuticals.
2.
Pharmacology. any of a class of medications used principally to treat psychotic symptoms, as delusions or hallucinations, and excessive excitability.
Origin of phenothiazine
1890-1895
1890-95; pheno- + thiazine
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for phenothiazine

phenothiazine

/ˌfiːnəʊˈθaɪəziːn/
noun
1.
a colourless to light yellow insoluble crystalline compound used as an anthelmintic for livestock and in insecticides. Formula: C12H9NS
2.
any of several drugs derived from phenothiazine and used as strong tranquillizers and in the treatment of schizophrenia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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phenothiazine in Medicine

phenothiazine phe·no·thi·a·zine (fē'nō-thī'ə-zēn', -nə-)
n.

  1. A yellow organic compound used in veterinary anthelmintics. Also called thiodiphenylamine.

  2. Any of a group of drugs derived from this compound and used as tranquilizers in the treatment of psychiatric disorders, such as schizophrenia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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phenothiazine in Science
phenothiazine
  (fē'nō-thī'ə-zēn')   
  1. A yellow or green, toxic organic compound used in insecticides and dyes and to treat infections with worms and other parasites in livestock. Chemical formula: C12H9NS.

  2. Any of a group of drugs derived from this compound. Phenothiazines are dopamine antagonists and are used in the treatment of psychiatric disorders, such as schizophrenia.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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