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raffinate

[raf-uh-neyt]
noun Chemistry.
  1. the part of a liquid, especially an oil, remaining after its more soluble components have been extracted by a solvent.
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Origin of raffinate

1925–30; < French raffin(er) to refine (r(e)- re- + affiner to refine; see affine) + -ate1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for raffinate

raffinate

noun
  1. the liquid left after a solute has been extracted by solvent extraction
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Word Origin for raffinate

C20: from French raffiner to refine + -ate 1
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
raffinate in Science

raffinate

[răf′ə-nāt′]
  1. The portion of an original liquid that remains after other components have been dissolved by a solvent. The term is often used to refer to the oil that is not dissolved in petroleum refining operations.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.