24-hour Meaning in the Cambridge English Dictionary
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Meaning of “24-hour” in the English Dictionary

"24-hour" in Business English

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24-houradjective [before noun]

uk   us   (also twenty-four hour)
open or ​available all day and all night without ​closing or ​stopping: Share ​trading is now a 24-hour ​industry. a 24-hour ​emergencyline/​helpline/​hotline Responding to ​marketpressure, they are ​offering 24-hour ​freetelephoneaccess. He ​recalls the scepticism that greeted the notion of 24-hour ​opening for US ​supermarkets.
relating to one day, or ​happening only on one day: The ​service can only be used once in a 24-hour ​period.a 24-hour stoppage/strike Unified ​strikeactionspread over three twenty-four hour ​stoppages.
(Definition of 24-hour from the Cambridge Business English Dictionary © Cambridge University Press)
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