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English definition of “prime time”

prime time

[U] COMMUNICATIONS, MARKETING in television and radio broadcasting , the time of day when the largest number of people are watching or listening : The show aired Sunday evening in prime time and was watched by 15.7 million viewers . The advertisement will be broadcast during prime time .
[S] a good time for doing something: Real estate investors say now is a prime time to purchase a home . As spring kicks into action , this can be a prime time to start that home renovation project .
(not) ready for prime time COMMERCE (not) ready to be sold or presented to the public : This technology is not ready for prime time .
(Definition of prime time noun from the Cambridge Business English Dictionary © Cambridge University Press)
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