rust Meaning, definition in Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of "rust" - English Dictionary

See all translations

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 various plant diseases 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 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 Arabic صَدَأ…
in Korean 녹…
in Malaysian karat…
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 Vietnamese gỉ sắt…
in Spanish óxido…
in Portuguese ferrugem…
in Thai สนิม…
in German der Rost…
in Catalan rovell…
in Japanese (金属の)さび…
in Indonesian karat…
in Chinese (Simplified) 锈, 铁锈, 铁锈色…
(Definition of rust from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of rust?
Add Cambridge dictionaries to your browser to your website

Definitions of “rust” in other dictionaries

Word of the Day
hurdle

a frame or fence for jumping over in a race

Word of the Day

Are you a glass-half-full person? (Everyday Idioms)
Are you a glass-half-full person? (Everyday Idioms)
by Kate Woodford,
July 29, 2015
A reader of this blog recently asked for a post on idioms that are used in everyday English. This seemed like a reasonable request. After all, if you are going to make the effort to learn a set of English idioms, you want those idioms to be useful. The question, then, was

Read More 

exoskeleton noun
exoskeleton noun
July 27, 2015
a robotic device which goes around the legs and part of the body of a person who cannot walk and allows them to move independently and in an upright position The device, known as an exoskeleton, is strapped to the outside of a person’s limbs and can then be controlled by them.

Read More