refractometer

[ ree-frak-tom-i-ter ]

nounOptics.

an instrument for determining the refractive index of a substance.

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/, adjective
re·frac·tom·e·try, noun

Words Nearby refractometer

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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), 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

Browse