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an instrument for determining the specific gravity of fluids.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
A flask of standard volume, used to determine the specific gravity of fluids by weighing.
[pykno- + G. metron, measure]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012