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around–the–clock

adjective

Simple Definition of around–the–clock

  • : happening or continuing all day and all night

Source: Merriam-Webster's Learner's Dictionary

Full Definition of around–the–clock

  1. :  being in effect, continuing, or lasting 24 hours a day :  constant <around–the–clock surveillance>

1853

First Known Use of around–the–clock

1853


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