Anything which corrodes, corrupts, or destroys.
An avian disease affecting doves, poultry, parrots and birds of prey, caused by Trichomonas gallinae.
A region of dead plant tissue caused by such a disease.
A kind of wild rose; the dog rose.
An obstinate and often incurable disease of a horse's foot, characterized by separation of the horny portion and the development of fungoid growths. Usually resulting from neglected thrush.
A plant disease marked by gradual decay.
A corroding or sloughing ulcer; especially a spreading gangrenous ulcer or collection of ulcers in or about the mouth.
A worm or grub that destroys plant buds or leaves; cankerworm.
To be or become diseased, or as if diseased, with canker; to grow corrupt; to become venomous.
To infect or pollute; to corrupt.
To affect as a canker; to eat away; to corrode; to consume.
To waste away, grow rusty, or be oxidized, as a mineral.
A foreign substance that makes something dirty, or impure, especially waste from human activities.