Definitions for uptimeˈʌpˌtaɪm
Random House Webster's College Dictionary
up•timeˈʌpˌtaɪm(n.)
the time during which a machine is operating or an employee is working.
Category: Business
Origin of uptime:
1955–60
Princeton's WordNet
uptime(noun)
a period of time when something (as a machine or factory) is functioning and available for use
Wiktionary
uptime(Noun)
The period of time a computer has functioned since last requiring a reboot.
Origin: up (adjective, computing) + time
The New Hacker's Dictionary
uptime
Technically, a machine's time since last reboot; jargonically, how long a hacker has gone without sleep. “What's your uptime?” “Oh, about 28 hours so far, but I think I can probably do another 12.” This is, of course, a reference to the uptime command and the pride with which most Unix types note how long their computers go without reboots. Uptime is a testament to the stability of the OS and the stamina of the hacker.
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