rust

/ɹˈʌst/

/ˈɹəst/

Rust

a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture

any of various fungi causing rust disease in plants

the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water

synonyms : rusting

a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi

to rust

MAIN VERB

become destroyed by water, air, or a corrosive such as an acid

synonyms : corrode

cause to deteriorate due to the action of water, air, or an acid

synonyms : corrode

become coated with oxide

rust

of the brown color of rust

synonyms : rust-brown

Examples

1. The mechanic replaced the rusted bolt with a new one.

2. I may be getting older, but I still believe that it's better to wear out than to rust out, so I keep myself busy with hobbies and volunteer work.

3. Rust sucks.

4. It resists rust