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Definition of Osmolar

Osmolar: In biochemistry, referring to the osmolarity, the concentration of osmotically active particles in solution, which may be quantitatively expressed in osmoles of solute per liter of solution.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=24592
Last Editorial Review: 10/9/2003

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