around–the–clock

adjective

Definition of around–the–clock

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

1915

First Known Use of around–the–clock

1915


AROUND–THE–CLOCK Defined for English Language Learners

around–the–clock

adjective

Definition of around–the–clock for English Language Learners

  • : happening or continuing all day and all night

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