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English definition of “rust”

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rust

noun [U] uk   /rʌst/ us  
a reddish-brown substance that forms on the surface of iron and steel as a result of reacting with air and water: patches of rust a reddish-brown colour that looks like rust any of various plant diseases that cause reddish-brown spots
rust
adjective uk   us  
having a reddish-brown colour

rust

verb [I or T] uk   /rʌst/ us  
to become or cause something to become covered with rust: Older cars will begin to rust. Years of being left out in the rain had rusted the metal chairs. The floor of the car had rusted away/through (= been destroyed by rust), so I was careful where I put my feet.
Translations of “rust”
in Korean 녹…
in Arabic صَدَأ…
in French rouille…
in Turkish pas…
in Italian ruggine…
in Chinese (Traditional) 鏽, 鐵銹, 鐵銹色…
in Russian ржавчина…
in Polish rdza…
in Spanish óxido…
in Portuguese ferrugem…
in German der Rost…
in Catalan rovell…
in Japanese (金属の)さび…
in Chinese (Simplified) 锈, 铁锈, 铁锈色…
(Definition of rust from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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