concentration Hear it!

concentration definition

con·cen·tra·tion (kän′sən trā′s̸hən)

noun

  1. a concentrating or being concentrated
  2. close or fixed attention
  3. strength or density, as of a solution
  4. a concentrated substance

Etymology: ML concentratio

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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