rust Definition in the Cambridge English Dictionary Cambridge dictionaries logo
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Definition of “rust” - English Dictionary

"rust" in American English

See all translations

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)







"rust" in British English

See all translations

rustnoun [U]

uk   /rʌst/  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   /rʌst/  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…
What is the pronunciation of rust?
Add Cambridge dictionaries to your browser to your website
There, their and they’re – which one should you use?
There, their and they’re – which one should you use?
by ,
April 27, 2016
by Liz Walter If you are a learner of English and you are confused about the words there, their and they’re, let me reassure you: many, many people with English as their first language share your problem! You only have to take a look at the ‘comments’ sections on the website of, for example, a popular

Read More 

Word of the Day

cracker

a thin, flat, hard biscuit, especially one eaten with cheese

Word of the Day

bio-banding noun
bio-banding noun
April 25, 2016
in sport, grouping children according to their physical maturity rather than their age ‘When we’re grouping children for sports, we do it by age groups, but the problem is that, within those age groups, we get huge variations in biological age,’ said Dr Sean Cumming, senior lecturer at the University of Bath’s department for

Read More