RUST

Definition

1. adjective of the brown color of rust. — synonyms: rusty, rust-brown
2. verb become destroyed by water, air, or a corrosive such as an acid. — synonyms: corrode
3. verb cause to deteriorate due to the action of water, air, or an acid. — synonyms: corrode, eat
4. verb become coated with oxide.
5. noun a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture.
6. noun a plant disease that produces a reddish-brown discoloration of leaves and stems.
7. noun the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water. — synonyms: rusting
8. noun any of various fungi causing rust disease in plants. — synonyms: rust_fungus