elutriation(redirected from Air classification)
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Related to Air classification: air classifier
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).]
the process of elutriating, or purification by washing and straining.See also: Cleanliness, Processes