controlled substance

See more synonyms for controlled substance on Thesaurus.com
noun
  1. any of a category of behavior-altering or addictive drugs, as heroin or cocaine, whose possession and use are restricted by law.

Origin of controlled substance

First recorded in 1970–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for controlled substance

dope, drug

controlled substance in Medicine

controlled substance

n.
  1. A drug or chemical substance whose possession and use are regulated under the Controlled Substances Act.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.