/'weɪstɪdʒ; `westɪdʒ/
n [U]
(a) amount that is wasted 损耗量
*You must allow for five per cent wastage in transit. 在运输中要允许有百分之五的损耗量.
(b) loss caused by waste 损耗; 耗损
*The retailer has to absorb the cost of wastage. 零售商须承受耗损的费用.
* natural wastage, ie loss of employees because they retire or move to other jobs and not through redundancy 自然减员（因雇员退休或离职造成的, 并非人为裁减）.

n[U]formal
when something is lost or destroyed, especially in a way that is not useful or reasonable, or the amount that is lost or destroyed
　The system used to result in a great deal of food wastage.
wastage of
　wastage of ability among working class children
natural wastage
BrE a reduction in the number of workers because of people leaving, retiring etc and not because they have lost their jobs