uptime

English

Etymology

Etymology tree

Proto-Indo-European *upó

Proto-Germanic *ub

Proto-Germanic *upp

Proto-West Germanic *upp

Old English upp

Middle English up

English up

Proto-Indo-European *deh₂-

Proto-Indo-European *-y(eti)

Proto-Indo-European *-y(éti)

Proto-Indo-European *deh₂y-

Proto-Indo-European *-mṓ

Proto-Indo-European *dih₂-mon-

Proto-Germanic *tīmô

Proto-West Germanic *tīmō

Old English tīma

Middle English tyme

English time

English uptime

From up (“(computing) functional, working”, adjective) + time.

Noun

uptime (countable and uncountable, plural uptimes)

1. (computing) The period of time a computer has functioned since last requiring a reboot.
2. The amount of time, or the proportion of total time, during which some system or machinery is operable.
   • 2006, Fred K. Geitner and Heinz P. Bloch, chapter 1, in Maximizing Machinery Uptime, Elsevier, →ISBN, page 1:

     To achieve uptime optimization, the machinery specification and actual design must be right.

Antonyms

• downtime

Anagrams

• impute