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tr.v. de·pop·u·lat·ed, de·pop·u·lat·ing, de·pop·u·lates
To reduce sharply the population of, as by disease, war, or forcible relocation.

[Latin dēpopulāri, dēpopulāt-, to lay waste : dē-, de- + populārī, to ravage (from populus, people, throng).]

de·pop′u·la′tion n.
de·pop′u·la′tor n.


(Sociology) a thing that causes a decrease in population
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According to a press release, the patent-pending system "efficiently and safely recovers reusable parts and metals from discarded circuit boards." Jim Moltion, president of Northeast, says the "depopulator" system removes more than 300,000 parts during a normal 40-hour workweek using one operator.
There is, furthermore, a supreme irony in the timing of their enclosure proposal: as recently as March 1631, the commissioners for charitable uses had suggested that the rebuilding of St Paul's cathedral might itself be financed from fines on enclosers and depopulators.(51)