refractometer

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re·frac·tom·e·ter

(rē′frăk-tŏm′ĭ-tər)
n.
Any of several instruments used to measure the index of refraction of a substance.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

refractometer

(ˌriːfrækˈtɒmɪtə)
n
(General Physics) any instrument for determining the refractive index of a substance
refractometric adj
ˌrefracˈtometry n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

re•frac•tom•e•ter

(ˌri frækˈtɒm ɪ tər)

n.
an instrument for determining the refractive index of a substance.
[1875–80]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun 1. refractometer - measuring instrument for measuring the refractive index of a substance
measuring device, measuring instrument, measuring system - instrument that shows the extent or amount or quantity or degree of something
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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Williamsville, NY, November 19, 2014 --(PR.com)-- FB Displays & Designs (FBD2) collaborated with Reichert SPR, designer and manufacturer of optical refractometers, to construct a stunning 10' display for use at various trade shows throughout the country.
Refractometers are used frequently in veterinary medicine to allow practitioners to have a rapid and inexpensive assessment of urine osmolality.
In Figure 3, the refractive index of hemolymph measured by both analog and digital refractometers is plotted against the absorbance intensity, [A.sub.280], at 280 nm for samples taken from 14 lobsters.
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