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rust

Pronunciation: [rʌst]

Word

Learn how to use rust in a sentence: 9 audio examples across 3 meanings.

Context: “materials”

(noun) rust is a reddish-brown substance that forms on metal when it gets wet and is exposed to air. It happens when metal, like iron, reacts with oxygen and water, and it can make the metal weak.

Example

The old bicycle had a little rust on it, but it still worked fine.

Example

The tools were covered in rust and could no longer be used safely.

Example

What causes rust to form on metal surfaces?

Context: “materials”

(verb) to rust means to get that reddish-brown substance on metal. It happens when metal is left outside too long and doesn't stay dry.

Example

The bike didn't rust because it was kept in the garage.

Example

The iron gate rusted after being exposed to rain for weeks.

Example

Are the tools rusting if I leave them outside?

Context: “deterioration”

(verb) to rust can also mean to become old and unused, like when skills or abilities fade away because they are not practiced.

Example

She practices playing the piano every day so her skills don’t rust.

Example

His math skills rusted since he didn't practice them for years.

Example

How can you prevent your language skills from rusting?

How to pronounce rust

Pronunciation: [rʌst]

Listen and repeat as many times as you need.

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