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Definition of Scum
1. Verb. Remove the scum from.
2. Noun. Worthless people.
3. Noun. A film of impurities or vegetation that can form on the surface of a liquid.
Definition of Scum
1. n. The extraneous matter or impurities which rise to the surface of liquids in boiling or fermentation, or which form on the surface by other means; also, the scoria of metals in a molten state; dross.
2. v. t. To take the scum from; to clear off the impure matter from the surface of; to skim.
3. v. i. To form a scum; to become covered with scum. Also used figuratively.
Definition of Scum
1. Noun. A layer of impurities that accumulates at the surface of a liquid (especially molten metal or water). ¹
2. Noun. A greenish water vegetation (such as algae), usually found floating on the surface of ponds ¹
3. Noun. The topmost liquid layer of a cesspool or septic tank. ¹
4. Noun. (derogatory slang) A reprehensible person or persons. ¹
5. Verb. To remove the layer of scum from (a liquid etc.). ¹
6. Verb. To remove (something) as scum. ¹
7. Verb. (obsolete) To scour (the land, sea etc.). ¹
¹ Source: wiktionary.com
Definition of Scum
1. to remove the scum (impure or extraneous matter) from [v SCUMMED, SCUMMING, SCUMS]
Medical Definition of Scum
1. 1. The extraneous matter or impurities which rise to the surface of liquids in boiling or fermentation, or which form on the surface by other means; also, the scoria of metals in a molten state; dross. "Some to remove the scum it did rise." (Spenser) 2. Refuse; recrement; anything vile or worthless. "The great and innocent are insulted by the scum and refuse of the people." (Addison) Origin: Of Scand. Origin; cf. Dan. & Sw. Skum, Icel. Skm, LG. Schum, D. Schuim, OHG. Scm, G. Schaum; probably from a root meaning, to cover. Cf. Hide skin, Meerschaum, Skim, Sky. Source: Websters Dictionary (01 Mar 1998)