controlled substance


noun

any of a category of behavior-altering or addictive drugs, as heroin or cocaine, whose possession and use are restricted by law.

Nearby words

  1. controlled experiment,
  2. controlled explosion,
  3. controlled hypotension,
  4. controlled mechanical ventilation,
  5. controlled respiration,
  6. controlled ventilation,
  7. controlled-release,
  8. controller,
  9. controlling,
  10. controlling image

Origin of controlled substance

First recorded in 1970–75

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


Medicine definitions for controlled substance

controlled substance

n.

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.