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# battery

«battery» in Mova's school dictionary: **A small object that stores electricity and gives it to…** — its meaning for a pupil, its sense in the lessons and examples, with 5 sentences of Mova's corpora that use it.

### part of speech

noun (battery, batteries)

### meaning for a pupil

1) A small object that stores electricity and gives it to torches, toys, phones and remote controls. [tree →](https://md.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://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/battery/#m2)

3) (In law) the crime of hitting someone. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/battery/#m3)

4) A set of large guns. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/battery/#m4)

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

### In the corpora

- [Car batteries contain a strong acid that burns skin and eyes, so they must never be opened.](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/15-acids-in-the-kitchen/19/)
- [These puzzles are for thinking, not trying: fire, cleaning products and batteries are a grown-up's job.](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/37-olympiad-everyday-chemistry-detectives/5/)
- [A single short chirp every minute or so from a smoke alarm usually means its battery is low.](https://md.mova.elamur.ai/free/en/corpora/school/everyday/12-sounds-that-warn/11/)
- [Phone maps are helpful, but batteries run out, so it is wise to know your route too.](https://md.mova.elamur.ai/free/en/corpora/school/everyday/16-landmarks/18/)
- [Small round button batteries are very dangerous if swallowed and need a doctor straight away.](https://md.mova.elamur.ai/free/en/corpora/school/everyday/33-medicines-and-cleaning-products/23/)

### Trees and pragmatics

[Every meaning and example of «battery» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/battery/), each sentence with its dependency tree and frames.