refractometer[rē′frak täm′ət ər]
refractometer definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
an instrument for measuring refraction, as of the eye
refractometer definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Any of several instruments used to measure the index of refraction of a substance.
refractometer - Medical Definition
Any of several instruments used to measure the refractive index of a substance.