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fractionate

[frak-shuh-neyt]
verb (used with object), frac·tion·at·ed, frac·tion·at·ing.
  1. to separate or divide into component parts, fragments, divisions, etc.
  2. to separate (a mixture) into ingredients or into portions having different properties, as by distillation or crystallization; cause to undergo fractional distillation, crystallization, or the like.
  3. to obtain by such a process.
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Origin of fractionate

First recorded in 1865–70; fraction + -ate1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for fractionate

fractionate

verb
  1. to separate or cause to separate into constituents or into fractions containing concentrated constituents
  2. (tr) chem to obtain (a constituent of a mixture) by a fractional process
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Derived Formsfractionation, nounfractionator, noun
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