Meaning of rust

Definition of rust

(adj) of the brown color of rust
(noun) a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi
the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
any of various fungi causing rust disease in plants
(verb) become destroyed by water, air, or a corrosive such as an acid; "The metal corroded"; "The pipes rusted"
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"
become coated with oxide

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