Activation Meaning

/ˌæktɪˈveɪʃn̩/
C1

Definition, CEFR level C1, pronunciation, examples, and quiz.

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nounMaking active and effective; bringing into a state of activity.

nounThe process of making a radioisotope by bombarding a stable element with neutrons or protons.

We sent you an email with an activation link.
Sami gave Layla the activation code for that software.
The activation of several target genes results in two major effects.
CEFR Practice Quiz
The ____ of the sprinklers requires a manual pull of the lever.
CEFR Practice Quiz (Alternate)
The ____ of the alarm system made the burglar run away.

Etymology tree Proto-Indo-European *h₂eǵ- Proto-Indo-European *-eti Proto-Indo-European *h₂éǵeti Proto-Italic *agō Latin agō Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin -īvus ▲ Ancient Greek ἐνεργητῐκός (energētĭkós)sl. Latin āctīvusbor. Old French actifbor. Middle English actyf English active Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation ▲ English active Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātuslbor. English -ate English activate ▲ English -ation English -ion English activation From active or activate + -ation

"Alarm activations cause the driver to have to stop the train - and in some cases walk back to reset it. The activations caused 1,032 minutes of delays and nine cancellations." — 2021 November 3, “Network News: GA suffers cancellations and delays caused by alarm activations”, in RAIL, number 943, page 17:

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CEFR Practice Quiz
The ____ of the sprinklers requires a manual pull of the lever.
CEFR Practice Quiz (Alternate)
The ____ of the alarm system made the burglar run away.

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