refractometer

[ ree-frak-tom-i-ter ]
/ ˌri frækˈtɒm ɪ tər /

noun Optics.

an instrument for determining the refractive index of a substance.

Origin of refractometer

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

Related forms

re·frac·to·met·ric [ri-frak-tuh-me-trik] /rɪˌfræk təˈmɛ trɪk/, adjectivere·frac·tom·e·try, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for refractometry

refractometer

/ (ˌriːfrækˈtɒmɪtə) /

noun

any instrument for determining the refractive index of a substance

Derived Forms

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

Medicine definitions for refractometry (1 of 2)

refractometry

[ rē′frăk-tŏmĭ-trē ]

n.

Measurement of the refractive index of a substance with a refractometer.
Use of a refractometer in determining the refractive error of the eye.

Medicine definitions for refractometry (2 of 2)

refractometer

[ rē′frăk-tŏmĭ-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.