Rusting
Part of speech: verb
Definition: To oxidize, especially of iron or steel.
Rust
Part of speech: noun
Definition: The deteriorated state of iron or steel as a result of moisture and oxidation.(colour) A reddish-brown color.A disease of plants caused by a reddish-brown fungus.
Part of speech: verb
Definition: to oxidize, especially of iron or steel.to cause to oxidize.
Example sentence: It is better to rust out than wear out.