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 →

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 →
• A wheel and axle is a simple machine. tree →
• We used a straw and a skewer to make an axle. tree →
• The cart broke because its wooden axle snapped. tree →
• A car has a front axle and a rear axle. tree →
• Oil the axle so the wheels turn smoothly. tree →

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.
• A wheel and axle turns a small force on a big wheel into a stronger turn on the thin axle.
• Ball bearings, tiny steel balls inside a wheel's hub, let the wheel turn on its axle with very little friction.
• Ball bearings help a wheel turn smoothly on its axle.

Trees and pragmatics

Every meaning and example of «axle» parsed by Mova, each sentence with its dependency tree and frames.