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major tranquilizer

noun, Pharmacology
1.
antipsychotic (def 2).

antipsychotic

[an-tee-sahy-kot-ik, an-tahy-] /ˌæn ti saɪˈkɒt ɪk, ˌæn taɪ-/
adjective
1.
of or pertaining to any of various substances used in the treatment of psychosis, especially schizophrenia, and acute or severe states of mania, depression, or paranoia.
noun
2.
Also called major tranquilizer, neuroleptic. any such substance, as the phenothiazines.
Origin
1950-1955
1950-55; anti- + psychotic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for major-tranquilizer

antipsychotic

/ˌæntɪsaɪˈkɒtɪk/
adjective
1.
preventing or treating psychosis
noun
2.
any antipsychotic drug, such as chlorpromazine: used to treat such conditions as 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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major-tranquilizer in Medicine

antipsychotic an·ti·psy·chot·ic (ān'tē-sī-kŏt'ĭk, ān'tī-)
adj.
Counteracting or diminishing the symptoms of a psychotic disorder such as schizophrenia, paranoia, or manic-depressive psychosis.


an'ti·psy·chot'ic n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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