refractometer

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

noun Optics.

an instrument for determining the refractive index of a substance.

Nearby words

  1. refractive,
  2. refractive index,
  3. refractive keratotomy,
  4. refractively,
  5. refractivity,
  6. refractometry,
  7. refractor,
  8. refractory,
  9. refractory anemia,
  10. refractory period

Origin of refractometer

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

Related formsre·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 Formsrefractometric (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

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.

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.