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# battery

noun (battery, batteries)

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

## Everyday

1. A small object that stores electricity and gives it to torches, toys, phones and remote controls. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/battery/#m1)
2. A row or group of similar things: "a battery of tests". [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/battery/#m2)
3. (In law) the crime of hitting someone. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/battery/#m3)
4. A set of large guns. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/battery/#m4)

### In the lessons

In science, a battery (cell) pushes electricity around a circuit; it stores chemical energy and changes it to electrical energy; it has + and − ends. In safety: button batteries are very dangerous if swallowed — get help at once; don't put batteries in fire; recycle used batteries. Phrases: battery-powered, flat battery (empty), rechargeable battery, charge the battery.

### Examples

- The torch needs a new battery. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/battery/#x1)
- My phone battery is flat. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/battery/#x2)
- A battery has a plus end and a minus end. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/battery/#x3)
- Button batteries are dangerous if swallowed. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/battery/#x4)
- Recycle old batteries. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/battery/#x5)
- The toy runs on two batteries. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/battery/#x6)
- Connect the battery to the bulb to make a circuit. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/battery/#x7)
- Charge the battery overnight. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/B/battery/#x8)

### Note

Plural "batteries" (y → ies). Scientists call one unit a "cell"; a battery is really two or more cells, but in everyday English one is called a battery. A swallowed button battery is an emergency.

## On Mova

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