/ ˈweɪstɪdʒ; NAmE / noun
1.
[ U , sing. ] wastage (of sth) the fact of losing or destroying sth, especially because it has been used or dealt with carelessly :
It was a new production technique aimed at minimizing wastage.
2.
[ U ] the amount of sth that is wasted :
There is little wastage from a lean cut of meat.
3.
[ U ] ( BrE ) the loss of employees because they stop working or move to other jobs; the number of students who do not finish a particular course of study :
Half of the posts will be lost through natural wastage .
student wastage rates