Found 2 items, similar to dross.
English → English (WordNet) Definition: dross dross n 1: worthless material that should be removed; “there were impurities in the water” [syn: impurity] 2: the scum formed by oxidation at the surface of molten metals [syn: slag, scoria]
English → English (gcide) Definition: Dross Dross \Dross\ (dr[o^]s; 115), n. [AS. dros, fr. dre['o]san to fall. See Dreary.] 1. The scum or refuse matter which is thrown off, or falls from, metals in smelting the ore, or in the process of melting; recrement. [1913 Webster] 2. Rust of metals. [R.] --Addison. [1913 Webster] 3. Waste matter; any worthless matter separated from the better part; leavings; dregs; refuse. [1913 Webster] All world's glory is but dross unclean. --Spenser. [1913 Webster] At the devil's booth are all things sold, Each ounce of dross coats its ounce of gold. --Lowell. [1913 Webster]