an·ti·psy·chot·ic

[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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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
antipsychotic (ˌæntɪsaɪˈkɒtɪk) [Click for IPA pronunciation guide]
 
adj
1.  preventing or treating psychosis
 
n
2.  any antipsychotic drug, such as chlorpromazine: used to treat such conditions as schizophrenia

Collins English Dictionary - Complete & Unabridged 10th Edition
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Antipsychotic is always a great word to know.
So is gobo. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a stew of meat, vegetables, potatoes, etc.
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
Drugs such as phenothiazines and other antipsychotic medications, can cause a
  side effect called acute dystonic reaction.
Most people with this condition need to stay on antipsychotic medication for
  life.
Another surprise was the large number of inmates who blamed their crime on
  antipsychotic medicine.
Treatment usually involves antidepressant and antipsychotic medication.
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