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electropolish

American  
[ih-lek-troh-pol-ish] / ɪˌlɛk troʊˈpɒl ɪʃ /

verb (used with object)

  1. to give a smooth surface to (metal) by dissolving projecting irregularities at the anode of an electrolytic cell.


Etymology

Origin of electropolish

First recorded in 1955–60; electro- + polish