adj.
1.of the color of rust rust n.
1.a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
2.a reddish-brown discoloration of leaves and stems caused by a rust fungus
3.the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
4.any of various fungi causing rust disease in plants rust v.
1.become destroyed by water, air, or an etching chemical such as an acid
2.cause to deteriorate due to the action of water, air, or an acid
3.become coated with oxide
Idiom of the Day
go into effect
to become effective (a law or a rule), to start to function
The new parking regulations will go into effect next week.
