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definitions

osmole

[ŏz′mōl′, ŏs′-]
n.
  1. The molecular weight of a solute, in grams, divided by the number of ions or particles into which it dissociates in solution.
Related formsos•mo′lar (ŏz-mō′lər, ŏs-) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.