Source : Webster's Revised Unabridged Dictionary (1913)

Beneficiate \Ben`e*fi"ci*ate\, v. t. [Sp. beneficiar to benefit,
   to work mines.] (Mining)
   To reduce (ores). -- {Ben`e*fi`ci*a"tion} (?), n.

Source : WordNet®

beneficiation
     n : crushing and separating ore into valuable substances or
         waste by any of a variety of techniques [syn: {mineral
         extraction}, {mineral processing}, {mineral dressing}, {ore
         processing}, {ore dressing}]