(n): a red oxide of iron
(n): a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi
(n): a disease that affects plants
(n): the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
(n): erosion by chemical action
(n): the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction
(n): any of various fungi causing rust disease in plants
(n): an organism of the kingdom Fungi lacking chlorophyll and feeding on organic matter; ranging from unicellular or multicellular organisms to spore-bearing syncytia
(v): become destroyed by water, air, or a corrosive such as an acid
(v): fall into decay or ruin
(v): cause to deteriorate due to the action of water, air, or an acid
(v): inflict damage upon
(v): become coated with oxide
(v): enter into a combination with oxygen or become converted into an oxide
(adj): of the brown color of rust
(adj): vs. achromatic) -- (being or having or characterized by hue
