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Verb: rust  rúst
  1. Become destroyed by water, air, or a corrosive such as an acid
    "The pipes rusted";
    - corrode
     
  2. Cause to deteriorate due to the action of water, air, or an acid
    "The steady dripping of water rusted the metal stopper in the sink";
    - corrode, eat
     
  3. Become coated with oxide
Noun: rust  rúst
  1. A red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
     
  2. A plant disease that produces a reddish-brown discolouration of leaves and stems; caused by various rust fungi
     
  3. The formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
    - rusting
     
  4. Any of various fungi causing rust disease in plants
    - rust fungus
     
  5. A reddish-brown colour
Adjective: rust  rúst
  1. Of the brown colour of rust
    - rusty, rust-brown

Derived forms: rusts, rusting, rusted

See also: chromatic

Type of: brown, brownness, corroding, corrosion, crumble, damage, decay, dilapidate, erosion, ferric oxide, fungus, oxidate, oxidation, oxidisation [Brit], oxidise [Brit], oxidization, oxidize, plant disease

Part of: order Uredinales, Uredinales

Encyclopedia: Rust, California