UPTIME


Meaning of UPTIME in English

up ‧ time /ˈʌptaɪm/ BrE AmE noun [uncountable]

the period of time when a computer is working normally and is able to be used OPP downtime :

Some customers need 99% or better uptime from their mainframe computers.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.