the organic phenomenon of rotting | A strong reddish brown color. |
a gradual decrease; as of stored charge or current | any of various fungi causing rust disease in plants |
the process of gradually becoming inferior | the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water |
the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation | a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi |
an inferior state resulting from the process of decaying | a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture |