rust in WordNet English dictionary

1. become destroyed by water, air, or a corrosive such as an acid
   "The metal corroded"; "The pipes rusted"
   corrode  rust 
   
2. 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"
   corrode  eat  rust 
   
3. become coated with oxide
   rust 
   

1. any of various fungi causing rust disease in plants
   rust  rust fungus 
   
2. the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
   rust  rusting 
   
3. a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi
   rust 
   
4. a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
   rust 
   

1. of the brown color of rust
   rust  rusty  rust-brown