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Meaning of hydrometallurgy

hy•dro•met•al•lur•gy

Pronunciation: (hī"dru-met'l-ûr"jē), [key]
— n.
  1. the technique or process of extracting metals at ordinary temperatures by leaching ore with liquid solvents.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.