refractometer

[ ree-frak-tom-i-ter ]

/ ˌri frækˈtɒm ɪ tər /

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noun Optics.

an instrument for determining the refractive index of a substance.

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Origin of refractometer

First recorded in 1875–80; refract + -o- + -meter

OTHER WORDS FROM refractometer

re·frac·to·met·ric

[ri-frak-tuh-me-trik], /rɪˌfræk təˈmɛ trɪk/, adjectivere·frac·tom·e·try, noun

Words nearby refractometer

refractionist, refractive, refractive index, refractive keratotomy, refractivity, refractometer, refractometry, refractor, refractory, refractory anemia, refractory period

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use refractometer in a sentence

The index of refraction of the above solution may be taken with the Zeiss immersion refractometer or with the Abbe refractometer.
All About Coffee|William H. Ukers
The Herbert-Smith refractometer is there described fully, its principle is explained and directions for using it are given.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public|Frank Bertram Wade
Lacking a refractometer, the widely differing specific gravities of the two minerals would easily serve to distinguish them.
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public|Frank Bertram Wade

British Dictionary definitions for refractometer

refractometer

/ (ˌriːfrækˈtɒmɪtə) /

noun

any instrument for determining the refractive index of a substance

Derived forms of refractometer

refractometric (rɪˌfræktəˈmɛtrɪk), adjectiverefractometry, 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

Medical definitions for refractometer

refractometer

[ rē′frăk-tŏm′ĭ-tər ]

Any of several instruments used to measure the refractive index of a substance.