WordReference Random House Unabridged Dictionary of American English © 2025
e•lec•tro•re•fin•ing
(i lek′trō ri fī′ning),USA pronunciation n.
- Metallurgythe process for refining a metal in an electrolytic cell, in which the impure metal is used as the anode and the refined metal is deposited on the cathode.
- electro- + refining