man hour

n.

1.

The quantity of work which one person can perform in one hour; - often an estimate made for the purpose of deciding whether to undertake a project, and sometimes used in accounting; as, it will take a hundred man-hours to write the program.

Noun

1.

man hour - a time unit used in industry for measuring work Synonyms: person hour

60 minutes, hour, hr, person hour, workday, working day