concentration

concentration definition - medical

con·cen·tra·tion (kŏnˌsən-trāˈshən)

noun
  1. An increase of the strength of a pharmaceutical preparation by the extraction, precipitation, and drying of its crude active agent.
  2. An increase in the strength of a fluid or gas in a mixture by purification, evaporation, or diffusion.
  3. The amount of a specified substance in a unit amount of another substance.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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