drugging up

Science Dictionary
drug   (drŭg)  Pronunciation Key 
  1. A chemical substance, especially one prescribed by a medical provider, that is used in the diagnosis, treatment, or prevention of a condition or disease. Drugs are prescribed for a limited amount of time, as for an acute infection, or on a regular basis for chronic disorders, such as hypertension.

  2. A chemical substance such as a narcotic or a hallucinogen that affects the central nervous system and is used recreationally for perceived desirable effects on personality, perception, or behavior. Many recreational drugs are used illicitly and can be addictive.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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