Hydrometallurgy

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Hydrometallurgy \Hy`dro*met"al*lur`gy\, n. [Hydro-, 1 +
     metallurgy.]
     The art or process of assaying or reducing ores by means of
     liquid reagents.
     [1913 Webster]