up time

uptime

[uhp-tahym]
noun
1.
the time during which a machine or piece of equipment, as a computer, is operating or can be operated.
2.
the time during which an employee is actually working.
Compare downtime.


Origin:
1955–60; up (in sense “operating”) + time

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
uptime (ˈʌpˌtaɪm)
 
n
commerce time during which a machine, such as a computer, actually operates

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Slang Dictionary

up time definition


  1. n.
    the time when a computer is running. (Compare this with down time.) : On some systems the down time is longer than the up time.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw-Hill Education.
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