[Elamur Dictionary](https://md.dictionary.elamur.ai/free/en/) · [this page in HTML](https://dictionary.elamur.ai/free/en/english/activation/)

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# activation

noun (activation; uncountable; an activation — one case)

«activation» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

Activation is making something start working or become active. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activation/#m1)

### In the lessons

Used about cards, accounts, alarms and software («activation code»), and in science (activation of yeast, enzymes, the immune system).

### Examples

- The activation code is printed on the back of the card. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activation/#x1)
- Activation of the alarm takes ten seconds. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activation/#x2)
- The new phone needs activation before you can use it. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activation/#x3)
- Heat starts the activation of the yeast. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activation/#x4)
- The game key worked and activation was quick. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activation/#x5)
- Activation of the airbag happens in a split second. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activation/#x6)

### Note

Noun from «activate». Mostly uncountable. Formal or technical word.

## On Mova

- [Trees and pragmatics of «activation» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/activation/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«activation» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/activation.html) on Mova free.