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A thick layer of black scum lay on the canal water.
The people who do these dreadful things are scum.
This is the British English definition of scum. View American English definition of scum.
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View the pronunciation for scum.
a new word or phrase invented in the hope that it will become generally used
the distance from the centre of a circle to its edge, or a straight line from the centre to the edge
a collection of debris, mostly consisting of plastic, which moves around in the sea …
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Definition of scum from the online English dictionary from Macmillan Publishers Limited.