rust
noun /rʌst/
/rʌst/
[uncountable]- a red-brown substance that is formed on some metals by the action of water and air
- pipes covered with rust
- rust spots
- a rust-coloured dress
- The lock was covered with rust.
- The old padlock was red with rust.
Oxford Collocations Dictionaryverb + rust- get off
- remove
- scrape off
- …
- spot
- stain
- remover
- …
- covered with rust
- a plant disease that causes red-brown spots; the fungus that causes this disease
Word OriginOld English rūst, of Germanic origin; related to Dutch roest, German Rost, also to red.