concentration

  1. Noun.  The proportion of a substance in a mixture.
  2. Noun.  The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.
  3. Noun.  A field or course of study on which one focuses, especially as a student in a college or university.

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This entry was last updated on RefTopia from its source on 3/20/2012.