Reduction in the number or quantity of something: the depletion of the ozone layer
More example sentences
- Responding to major depletions of marine fish populations and other wildlife killed in the process of fishing, marine conservation groups became a force in national and international environmental policy.
- The ship's refrigeration and air conditioning plants are designed to achieve no ozone depletion.
- To get back to what I said earlier about the depletion of the national sheep flock, I have one or two more instances to highlight.