psychoactive

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adjective psy·cho·ac·tive \ˌsī-kō-ˈak-tiv\

Definition of psychoactive

  1. :  affecting the mind or behavior psychoactive drugs

1959

First Known Use of psychoactive

1959


Medical Dictionary

psychoactive

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adjective psy·cho·ac·tive \ˌsī-kō-ˈak-tiv\

Medical Definition of psychoactive

  1. :  affecting the mind or behavior psychoactive drugs THC is the principal psychoactive ingredient in marijuana

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