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psychoactive

 - 4 dictionary results

psy⋅cho⋅ac⋅tive

  [sahy-koh-ak-tiv]
Use psychoactive in a Sentence
–adjective
of or pertaining to a substance having a profound or significant effect on mental processes: a psychoactive drug.
Origin:
1960–65; psycho- + active
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To psychoactive
psy·cho·ac·tive   (sī'kō-āk'tĭv)   
adj.  Affecting the mind or mental processes. Used of a drug.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: psy·cho·ac·tive
Pronunciation: "sI-kO-'ak-tiv
Function: adjective
: affecting the mind or behavior <psychoactivedrugs> psychoactive ingredient in marijuana>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

psychoactive psy·cho·ac·tive (sī'kō-āk'tĭv)
adj.
Affecting the mind or mental processes. Used of a drug.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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