elutriate

[ih-loo-tree-eyt]
verb (used with object), elutriated, elutriating.
1.
to purify by washing and straining or decanting.
2.
to separate the light and heavy particles of by washing.

Origin:
1725–35; < Latin ēlutriāt(us) (past participle of ēlutriāre) washed out, equivalent to ē- e-1 + lutri- wash + -ātus -ate1

elutriation, noun
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World English Dictionary
elutriate (ɪˈluːtrɪˌeɪt)
 
vb
(tr) to purify or separate (a substance or mixture) by washing and straining or decanting
 
[C18: from Latin ēlūtriāre to wash out, from ēluere, from ē- out + lavere to wash]
 
elutri'ation
 
n
 
e'lutriator
 
n

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Example sentences
Testing is performed on effluent, ambient surface water, pore water and elutriate.
Treated and clarified elutriate may be recycled in the flushing process.
Predicting the toxicity of bulk sediments to aquatic organisms using aqueous test fractions: pore water versus elutriate.
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