: a unit of one hour's work by one person that is used especially as a basis for cost accounting and wages

Examples of man-hour in a Sentence

Recent Examples on the Web
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According to Air Force Global Strike Command, this could return hundreds of administrative man-hours to instructors by reducing the need for individual wings to develop and maintain similar training materials. — Kaif Shaikh, Interesting Engineering, 11 Sep. 2026 This achievement is the culmination of over 605,000 man-hours of work to remove century-old constraints that no longer matched the competitive realities of modern trade. — Wes Moore, Baltimore Sun, 22 June 2026 By end of day, six man-hours were consumed that would not have happened otherwise. — David Turner, Forbes.com, 16 June 2026 That work also involved 430,000 man-hours, close to 50 subcontractors and 225 workers per day. — Chase Jordan may 29, Charlotte Observer, 29 May 2026 See All Example Sentences for man-hour

Word History

First Known Use

1912, in the meaning defined above

Time Traveler
The first known use of man-hour was in 1912

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Cite this Entry

“Man-hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/man-hour. Accessed 1 Oct. 2026.

Kids Definition

man-hour

noun
ˈman-ˈau̇(-ə)r
: a unit of one hour's work by one worker used especially as a basis for wages and in accounting
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