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uptime

American  
[uhp-tahym] / ˈʌpˌtaɪm /

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.


uptime British  
/ ˈʌpˌtaɪm /

noun

  1. commerce time during which a machine, such as a computer, actually operates

"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

Etymology

Origin of uptime

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Tuesday on X, Musk wrote that Tesla still plans to add to the Supercharger network, “just at a slower pace for new locations and more focus on 100% uptime and expansion of existing locations.”

From Seattle Times

"The brick and mortar retail industry is facing a crossroads. Customers, accustomed to the constant uptime and reliability of online shopping, are demanding the same flawless digital experience from physical retailers," he said.

From BBC

“Airlines require systems that have 99.999% uptime. Time to install some new IT leadership that takes availability culture seriously.”

From Los Angeles Times

It is important to remember the many benefits of cloud computing, says Prof Lehdonvirta, particularly when it comes to uptime, a measure of how long a computer system works without failing.

From BBC

The most significant aspect of that is uptime.

From Washington Post