[yoo r-uh-nom-i-ter]


a device for assessing the specific gravity of urine; a hydrometer for use on urine specimens.

Origin of urinometer

First recorded in 1835–45; urino- + -meter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for urinometer

Historical Examples of urinometer

  • The specific gravity is most conveniently estimated by means of the urinometer—Squibb's is preferable (Fig. 14).

  • One frequently wishes to ascertain the specific gravity of quantities of fluid too small to float an urinometer.

British Dictionary definitions for urinometer


noun med

an instrument for determining the specific gravity of urine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

urinometer in Medicine




A hydrometer for measuring the specific gravity of urine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.