rust

Từ điển Oxford Advanced Learner 8th

rust [rust rusts rusted rusting] noun, verb BrE [rʌst] NAmE [rʌst]
noun uncountable
1. a reddish-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
see also ↑rusty
2. a plant disease that causes reddish-brown spots; the ↑fungus that causes this disease

Word Origin:
Old English rūst, of Germanic origin; related to Dutch roest, German Rost, also to ↑red.

Example Bank:
•The lock was covered with rust.
•The old padlock was red with rust.
Derived Word: ↑rusted
Derived: ↑rust away
 
verb intransitive, transitive
if metal rusts or sth rusts it, it becomes covered with ↑rust
Syn: ↑corrodes
•old rusting farming implements
•Brass doesn't rust.
•The floor of the car had rusted through.
•~ sth Water had got in and rusted the engine.
see also ↑rusty
Verb forms:

Word Origin:
Old English rūst, of Germanic origin; related to Dutch roest, German Rost, also to ↑red.

Example Bank:
•The car had been rusting away in his garage for years.

 

• Từ đồng nghĩa / Synonyms:
  rusty, rust-brown, rust fungus, rusting, corrode, eat