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man-hour

noun [C]
 
 
/ˈmæn.aʊər/ US  /-aʊr/ (also person-hour)

Definition

the amount of work done by one person in one hour: Just think how many man-hours we could save if we computerized the system.Working hours and periods of workWork, working and the workplace
(Definition of man-hour noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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