al·ways-on
| \ ˈȯl-wēz-ˈȯn
, -ˈän, -wəz-, -(ˌ)wāz- also ˈȯ- \
, -ˈän, -wəz-, -(ˌ)wāz- also ˈȯ- \
Definition of always-on
: always active, operating, or powered
an always-on Internet connection When a power shortage occurs and electricity costs rise, the always-on devices scattered throughout … your facility consume increasingly expensive power.— Gilbert Held
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“Always-on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/always-on. Accessed 25 Feb. 2021.
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The first known use of always-on was in 1976
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