osmometer

(redirected from Freezing point osmometer)
Also found in: Dictionary, Medical.

osmometer

[äz′mäm·əd·ər]
(analytical chemistry)
A device for measuring molecular weights by measuring the osmotic pressure exerted by solvent molecules diffusing through a semipermeable membrane.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.