(noun.) any of various fungi causing rust disease in plants.
(noun.) the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water.
(noun.) a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi.
(noun.) a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture.
(verb.) become coated with oxide.
(adj.) of the brown color of rust .
编辑:内尔达
手打:斯蒂芬