What is to melt or fuse, as, ore, for the purpose of separating and refining the metal; hence, to reduce; to refine; to flux or scorify; as, to smelt tin called?

smelt — To melt or fuse, as, ore, for the purpose of separating and refining the metal; hence, to reduce; to refine; to flux or scorify; as, to smelt tin. (Webster's 1913.)

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