rust
Definition
- n. a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
- n. a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi
- n. the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
- n. any of various fungi causing rust disease in plants
Word forms
- Present participle
- rusting
- Past participle
- rusted
- Third person singular
- rusts
- Past tense
- rusted
Example sentences
n.
The old bike was covered in rust after being left outside for years.
vi.
If you don't take care of your tools, they will rust over time.
vt.
The heavy rain can rust the metal parts of the car.