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refractometer

[ree-frak-tom-i-ter] /ˌri frækˈtɒm ɪ tər/
noun, Optics.
1.
an instrument for determining the refractive index of a substance.
Origin
1875-1880
1875-80; refract + -o- + -meter
Related forms
refractometric
[ri-frak-tuh-me-trik] /rɪˌfræk təˈmɛ trɪk/ (Show IPA),
adjective
refractometry, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for refractometer
  • Recently, the accuracies of the refractometer tests are questionable.
  • To determine maturity, growers use a hand refractometer to measure the sweetness of the melon.
  • Selection for the mid-oleic level is inexpensive and quick, requiring only a refractometer.
British Dictionary definitions for refractometer

refractometer

/ˌriːfrækˈtɒmɪtə/
noun
1.
any instrument for determining the refractive index of a substance
Derived Forms
refractometric (rɪˌfræktəˈmɛtrɪk) adjective
refractometry, noun
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
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refractometer in Medicine

refractometer re·frac·tom·e·ter (rē'frāk-tŏm'ĭ-tər)
n.
Any of several instruments used to measure the refractive index of a substance.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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