depletion
US /dɪˈpliʃən/
・UK /dɪ'pli:ʃn/
B2
noun
- Reducing the amount, strength or number of
- The reduction in the amount of something.
other
- The reduction in the number or quantity of something.
- The act of consuming or using up a resource or supply.
US /dɪˈpliʃən/
・UK /dɪ'pli:ʃn/