- the part of a liquid, especially an oil, remaining after its more soluble components have been extracted by a solvent.
Origin of raffinate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the liquid left after a solute has been extracted by solvent extraction
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
- 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.