refractometric

refractometer

[ree-frak-tom-i-ter]
noun Optics.
an instrument for determining the refractive index of a substance.

Origin:
1875–80; refract + -o- + -meter

refractometric [ri-frak-tuh-me-trik] , adjective
refractometry, noun
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World English Dictionary
refractometer (ˌriːfrækˈtɒmɪtə)
 
n
any instrument for determining the refractive index of a substance
 
refractometric
 
adj
 
refrac'tometry
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

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
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