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English definition of “depletion”

depletion

noun [S or U]     /dɪˈpliː.ʃən/
a reduction in something: the depletion of the ozone layer Increased expenditure has caused a depletion in our capital / funds .Becoming and making smaller or lessBecoming and making less strong
(Definition of depletion noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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