from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To purify, separate, or remove (ore, for example) by washing, decanting, and settling.
- transitive v. To wash away the lighter or finer particles of (soil, for example).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. to decant; to purify something by straining it
- v. to separate large and small particles through an upwardly flowing current of liquid or gas
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To wash or strain out so as to purify; ; to strain off or decant, as a powder which is separated from heavier particles by being drawn off with water; to cleanse, as by washing.
from The Century Dictionary and Cyclopedia
- To purify by washing and straining or decanting; purify in general.
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).(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin elutriare ("wash out"), from e- + lutriare ("wash") (Wiktionary)