1. rust - noun
· a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
Hypernym(s): ferric_oxide
2. rust - noun
· a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi
Hypernym(s): plant_disease
3. rust - noun
· the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
Synonym(s): rusting
Hypernym(s): corrosion, corroding, erosion, oxidation, oxidization, oxidisation
4. rust - noun
· any of various fungi causing rust disease in plants
Synonym(s): rust_fungus
Hypernym(s): fungus
5. rust - verb
· become destroyed by water, air, or a corrosive such as an acid; "The metal corroded"; "The pipes rusted"
Synonym(s): corrode
Hypernym(s): decay, crumble, dilapidate
6. rust - verb
· cause to deteriorate due to the action of water, air, or an acid; "The acid corroded the metal"; "The steady dripping of water rusted the metal stopper in the sink"
Hypernym(s): damage
7. rust - verb
· become coated with oxide
Hypernym(s): oxidise, oxidize, oxidate
8. rust - adjective
· of the brown color of rust
Synonym(s): rusty, rust-brown
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