1650s, from Late Latin depletionem (nominative depletio) "blood-letting," noun of action from past participle stem of Latin deplere "to empty," literally "to un-fill," from de- "off, away" (see de-) + plere "to fill" (see pleio-).
1. Increased consumption of water has led to rapid depletion of groundwater reserves.
2. What they find could provide clues to what might happen worldwide if ozone depletion continues.
3. Other countries took measures to prevent depletion of their precious dollar supplies.
4. Specimens can be collected usually without severe depletion of local populations.
5. Alkalosis and potassium depletion may be pronounced.