Rust ( noun , verb )

(As a noun)

Rust ( noun )

1. A reddish- or yellowish-brown flaky coating of iron oxide that is formed on iron or steel by oxidation, especially in the presence of moisture.
2. A similar coating formed on other metals.
3. The corrosion or decay of metal caused by oxidation.

Origin:

Old english rust, of germanic origin; related to dutch roest and german rost.

Examples:

1. The car was covered in rust.
2. The bridge had been eaten away by rust.
3. The rust on the metal had to be removed before painting.
4. The rust on the bolts was causing them to weaken.
5. The rust on the iron bars was making them brittle.

(As a verb)

Rust ( verb )

1. A reddish- or yellowish-brown flaky coating of iron oxide that is formed on iron or steel by oxidation, especially in the presence of moisture.
2. A similar coating formed on other metals.
3. The corrosion or decay of metal caused by oxidation.

Origin:

Old english rust, of germanic origin; related to dutch roest and german rost.

Examples:

1. The car was covered in rust.
2. The bridge had been eaten away by rust.
3. The rust on the metal had to be removed before painting.
4. The rust on the bolts was causing them to weaken.
5. The rust on the iron bars was making them brittle.