1. (

• rust ,
• rusting

) the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water ;

1. (

• corrode ,
• rust

) become destroyed by water, air, or a corrosive such as an acid; "The metal corroded"; "The pipes rusted" ;

2. (

• corrode ,
• eat ,
• rust ,

) 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" ;

3. (

• rust ,

) become coated with oxide ;

1. (

• rust ,
• rusty ,
• rust-brown

) of the brown color of rust ;