Meaning of RESIDUE in English
res ‧ i ‧ due /ˈrezədjuː, ˈrezɪdjuː $ -duː/ BrE AmE noun
[ Date: 1300-1400 ; Language: Old French ; Origin: residu , from Latin residuum , from residere ; ⇨ ↑ reside ]
1 . [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 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
The residue of the stock was sold.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012