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English definition of “wearout”

wearout

noun [U]     /ˈweəraʊt/
MARKETING a situation in which an advertisement has been used so much that it is no longer effective : The possibilities for overcoming the effects of wearout are dependent upon the pattern of audience responses .
a situation in which a product can no longer be used because it has become damaged after having been used for a period of time : After service lives of 15 or 20 years , replacement systems were planned to arrive before the added costs of wearout.
(Definition of wearout noun from the Cambridge Business English Dictionary © Cambridge University Press)
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