drug in the market

Medical Dictionary

drug (drŭg)
n.

  1. A substance used in the diagnosis, treatment, or prevention of a disease or as a component of a medication.

  2. Such a substance as recognized or defined by the U.S. Food and Drug Administration.

  3. A chemical substance, such as a narcotic or hallucinogen, that affects the central nervous system, causing changes in behavior and often addiction.

v. drugged, drug·ging, drugs
  1. To administer a drug, especially in an overly large quantity, to an individual.

  2. To stupefy or dull with or as if with a drug; to narcotize.

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