DROSS, n. [G.] 1. The recrement or despumation of metals; the scum or extraneous matter of metals, thrown off in the process of melting.2. Rust; crust of metals; an incrustation formed on metals by oxydation.3. Waste matter; refuse; any worthless matter separated from the better part; impure matter.The worlds glory is but dross unclean.
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