Date: 1300-1400
Language: Old French
Origin: residu, from Latin residuum, from residere; RESIDE


1HC [uncountable and countable] a substance that remains on a surface, in a container etc and cannot be removed easily, or that remains after a chemical process
residue from
residue from sewage treatment plants
The flies leave a sticky residue on crops.
Rinse off any soap residue.
2 [countable] formal the part of something that is left after the rest has gone or been taken away
residue of
The residue of the stock was sold.

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