Definition of depletion in US English:



  • Reduction in the number or quantity of something.

    ‘the depletion of the ozone layer’
    • ‘Some crops such as corn are very heavy feeders so moving it from place to place prevents rapid depletion of the soil.’
    • ‘The depletion of mangroves has also affected the fish wealth of the State.’
    • ‘The ship's refrigeration and air conditioning plants are designed to achieve no ozone depletion.’
    • ‘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.’
    • ‘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.’
    exhaustion, using up, use, consumption, expending, expenditure
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