'Dross' definitions:

Definition of 'dross'

From: WordNet
noun
Worthless or dangerous material that should be removed; "there were impurities in the water" [syn: impurity, dross]
noun
The scum formed by oxidation at the surface of molten metals [syn: slag, scoria, dross]

Definition of 'Dross'

From: GCIDE
  • 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]

Definition of 'Dross'

From: Easton
  • Dross the impurities of silver separated from the one in the process of melting (Prov. 25:4; 26:23; Ps. 119:119). It is also used to denote the base metal itself, probably before it is smelted, in Isa. 1:22, 25.