aerosol

Medical Dictionary

aerosol aer·o·sol (âr'ə-sôl')
n.

  1. A gaseous suspension of fine solid or liquid particles.

  2. A substance, such as a drug containing therapeutically active ingredients, packaged under pressure with a gaseous propellant for release as a spray of fine particles.

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