beneficiate

[ben-uh-fish-ee-eyt]
verb (used with object), beneficiated, beneficiating. Metallurgy.
to treat (ore) to make more suitable for smelting.

Origin:
1870–75, Americanism; < Spanish benefici(ar) to benefit, profit from (especially mining or farming) (verbal derivative of beneficio < Latin beneficium; see benefice) + -ate1

beneficiation, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Example sentences
At some plants it is necessary to beneficiate the raw materials before they can be used.
Solution mining has enabled facilities to beneficiate lower-grade sulfide and oxide ores.
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