scum


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scum

(skŭm),
A film of insoluble material that rises to the surface of a liquid, as in epistasis.
[M.E.]

scum

(skŭm) [ME. scume]
Slimy floating islands of bacteria or impurities on the surface of a culture; an interrupted pellicle of bacterial growth.
References in periodicals archive ?
The experimental units were full-scale two-compartment septic tanks in which sludge depth and scum thickness were measured within the inlet (Clark, 1999).
Solanas's comfort with irony and contradiction appears throughout the SCUM Manifesto.
His forecast is optimistic because of the sell-throughs on Black & Decker's Scum Busters last year.
We found that this unpleasant scum forms when the tea is brewed in hard water, which has both calcium ions and bicarbonate ions in it," Spiro says.
Soap scum plagues every bathroom and has always required a lot of time and elbow grease to remove it," said Kirsten Nordstrom, Brand Manager for Kaboom.
KCNA said that Thae "should have received legal punishment for the crimes he committed, but he discarded the fatherland that raised him and even his own parents and brothers by fleeing, thinking nothing but just saving himself, showing himself to be human scum who lacks even an elementary level of loyalty and even tiny bits of conscience and morality that are required for human beings.
Another wrote: "Brave men died so the big brave scum could throw paint all over their memorial.
SPOTLIGHT He also studied at the Corona Theatre School where he came to the attention of director Alan Clarke who cast him as Carlin in the controversial BBC play Scum in 1977.
Our selection of the best of your messages to our Twitter and Facebook sites Thieves steal Christmas cash from elderly couple Absolute scum.
Diplacito was held after pushing police away from Glancy and yelling, "scum, scum, scum" at them.