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# axle

«axle» in Mova's school dictionary: **a rod or bar that goes through the centre of a wheel, or…** — its meaning for a pupil, its sense in the lessons and examples, with 4 sentences of Mova's corpora that use it.

### part of speech

noun (axle, axles)

### meaning for a pupil

An axle is a rod or bar that goes through the centre of a wheel, or joins two wheels, so the wheels can turn. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/axle/#m1)

### sense in the lessons

In science and technology lessons, pupils learn about wheels and axles as a simple machine that makes moving loads easier; they build model cars with straws as axles. Bikes, cars, trains, carts and skateboards have axles. Phrases: wheel and axle, front axle, back axle.

### examples

- The wheels of the toy car turn on a thin metal axle. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/axle/#x1)
- A wheel and axle is a simple machine. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/axle/#x2)
- We used a straw and a skewer to make an axle. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/axle/#x3)
- The cart broke because its wooden axle snapped. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/axle/#x4)
- A car has a front axle and a rear axle. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/axle/#x5)
- Oil the axle so the wheels turn smoothly. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/A/axle/#x6)

### note

Countable: axles. Homophone trap: «axle» sounds like «axel», a jump in figure skating. Do not confuse with «axis», an imaginary line something spins around (like the Earth's axis).

### In the corpora

- [The lever, the wheel and axle, the pulley and the ramp are simple machines.](https://md.mova.elamur.ai/free/en/corpora/school/world/52-simple-machines/1/)
- [A wheel and axle turns a small force on a big wheel into a stronger turn on the thin axle.](https://md.mova.elamur.ai/free/en/corpora/school/world/52-simple-machines/15/)
- [Ball bearings, tiny steel balls inside a wheel's hub, let the wheel turn on its axle with very little friction.](https://md.mova.elamur.ai/free/en/corpora/school/world/85-pushes-pulls-friction-wheels/11/)
- [Ball bearings help a wheel turn smoothly on its axle.](https://md.mova.elamur.ai/free/en/corpora/school/world/85-pushes-pulls-friction-wheels/22/)

### Trees and pragmatics

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