antipsychotic

[an-tee-sahy-kot-ik, an-tahy-] Pharmacology.
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:
1950–55; anti- + psychotic

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World English Dictionary
antipsychotic (ˌæntɪsaɪˈkɒtɪk)
 
adj
1.  preventing or treating psychosis
 
n
2.  any antipsychotic drug, such as chlorpromazine: used to treat such conditions as schizophrenia

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American Heritage
Medical Dictionary

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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Example sentences
Another surprise was the large number of inmates who blamed their crime on
  antipsychotic medicine.
Being condemned to a lifetime of harsh antipsychotic drugs seems a far cry from
  a runny nose and fever.
Once the neurons were grown, the researchers tested how they responded to five
  different antipsychotic drugs.
Most people with this condition need to stay on antipsychotic medication for
  life.
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