Subscriber login


Forgot your password?

Library card login

Other

rust

Pronunciation: /rʌst/

Translate rust | into French | into German | into Italian | into Spanish
Definition of rust

noun

[mass noun]
  • 1a reddish- or yellowish-brown flaking coating of iron oxide that is formed on iron or steel by oxidation, especially in the presence of moisture: paint protects your car from rust figurativethe MPs are here to scrape the rust off the derelict machinery of government
  • 2 [usually with adjective or noun modifier] a fungal disease of plants which results in reddish or brownish patches.
    • The fungi belong to Puccinia and other genera, order Uredinales, class Teliomycetes
  • 3a reddish-brown colour: [in combination]:her rust-coloured coat

verb

[no object]
  • be affected with rust:the blades had rusted away (as adjective rusting)rusting machinery

Derivatives

rustless

adjective

Origin:

Old English rūst, of Germanic origin; related to Dutch roest, German Rost, also to red

rust in other Oxford dictionaries

Definition of rust in the US English dictionary

Nearby words

  |  Cite

More words in this category

Word of the day

kempt

/ kɛm(p)t /
adjective
maintained in a neat and clean condition …