24-hour clock noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of 24-hour clock noun from the Oxford Advanced American Dictionary

24-hour clock

noun

NAmE//ˌtwɛnti fɔr ˌaʊər ˈklɑk//

the system of using twenty-four numbers to talk about the hours of the day, instead of dividing it into two units of twelve hours

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