rust Definition in the Cambridge English Dictionary
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Definition of “rust” - English Dictionary

Definition of "rust" - American English Dictionary

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rustnoun [U]

 us   /rʌst/
a red-brown ​substance that ​forms on the ​surface of ​iron and ​steel as a ​result of ​decay caused by ​reacting with ​air and ​water
rust
verb [I/T]  us   /rʌst/
[I] Stainless ​steel won’t rust.
(Definition of rust from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "rust" - British English Dictionary

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rustnoun [U]

uk   us   /rʌst/
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 ​variousplantdiseases that ​cause reddish-brown ​spots
rust
adjective uk   us  
having a reddish-brown ​colour

rustverb [I or T]

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