refractometer
n.
instrument for measuring the refractive index of materials
Refractometer
A refractometer is an optical instrument that is used to determine the
refractive index of a substance. This often refers to some physical property of a substance that is directly related to its refractive index. Certain types of refractometers can be used for measuring
gases,
liquids such as
oils or water-based, and even transparent or translucent solids such as
gemstones.
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refractometer
Noun
1. measuring instrument for measuring the refractive index of a substance
(hypernym) measuring instrument, measuring system, measuring device
Refractometer
(n.)
A contrivance for exhibiting and measuring the refraction of light.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
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refractometer