man-hour

[man-ouuh r, -ou-er]
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noun

a unit of measurement, especially in accountancy, based on an ideal amount of work accomplished by one person in an hour. Abbreviation: man-hr

Origin of man-hour

First recorded in 1915–20

man of the hour

noun

a man who is honored by a group.
a man who is currently the most important or most admired.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for man-hour

man-hour

noun

a unit for measuring work in industry, equal to the work done by one man in one hour
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012