scum


Also found in: Dictionary, Thesaurus, Medical, Financial, Acronyms, Idioms, Wikipedia.

scum

1. the greenish film of algae and similar vegetation surface of a stagnant pond
2. the skin of oxides or impurities on the surface of a molten metal

scum

[skəm]
(materials)
A film of impurities that rises to or is formed on the surface of a liquid.
A slimy film formed on the surface of a solid object.

scum, scumming

1. A surface deposit sometimes formed on clay bricks; caused either by soluble salts in the clay which migrate to the surface as moisture escapes during drying (drier scum) or by the formation of deposits during kiln firing (kiln scum).
2. A mass of organic matter which floats on the surface of sewage.
References in periodicals archive ?
By way of contrast to sludge accumulation, the average increase in scum thickness was only 4.
6) The politics of the SCUM Manifesto are anarchist but are much less communal than the typical anarchist text.
Scum cleaners commonly contain bleach (sodium hypochlorite), which effectively cuts through soap scum and kills mildew.
Black & Decker, a home electrics and vacuum manufacturer, has extended its Scum Buster line to include Scum Buster Outdoor.
To study tea scum quantitatively, the English scientists collected scum in a large beaker, washed it, dried it, and viewed it under a scanning electron microscope.
While Improved Kaboom Shower, Tub & Tile Cleaner works better on soap scum, it remains true to its brand mission to be a versatile multi-purpose cleaner.
to me to happen 16 at the critical injuries was a critical for Court Of Appeal for a cut was rejected Brian th"I'm so glad such scum is doing his full time as I wouldn't wish what happened to me to happen to anyone.
Steph Perrott I hope the scum bags get caught and they through the book at them.
Hope the driver is OK and that the scum is caught Dawn PoshBird Crossley My guess is the food was worth the 6 to 8 year prison sentence.
But this is obscene for all the families whose loved ones have been blown to bits by murdering IRA scum and who will now be forever tormented knowing there will never be justice for them.
This is a sign of the times, scum who don''t give a monkeys about other people helping the community by running these types of clubs.
Once a scum bag, always a scum bag," the Mirror quoted one user as tweeting.