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elutriate

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e⋅lu⋅tri⋅ate

[i-loo-tree-eyt]
–verb (used with object), -at⋅ed, -at⋅ing.
1. to purify by washing and straining or decanting.
2. to separate the light and heavy particles of by washing.

Origin:
1725–35; < L ēlutriāt(us) (ptp. of ēlutriāre) washed out, equiv. to ē- e- + lutri- wash + -ātus -ate 1


e⋅lu⋅tri⋅a⋅tion, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To elutriate
e·lu·tri·ate   (ĭ-lōō'trē-āt')   
tr.v.   e·lu·tri·at·ed, e·lu·tri·at·ing, e·lu·tri·ates
  1. To purify, separate, or remove (ore, for example) by washing, decanting, and settling.

  2. To wash away the lighter or finer particles of (soil, for example).


[Latin elutriāre, elutriāt- (from *elutrium, vat, bath, from Greek *elutrion, diminutive of elutron, cover, sheath, tank; see elytron) or ēlūtriāre (from *ēlūtor, one who washes, from ēluere, to wash out; see elute).]
e·lu'tri·a'tion n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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