An ulcerous condition or disease of a human or animal
“The most typical appearance of ear canker is the development of a tan or grayish crust in the ear canal.”
A destructive fungal disease of trees that results in damage to the bark
“In the first stage, 8,000 trees are being treated with a copper spray, to contain the canker when trees are chopped down and burnt.”
A corrupting influence that is difficult to eradicate
“It is impossible not to recognize in the modern game an additional and growing canker that has attached itself to all the old familiar forms of dubious behavior.”
The state or process of rotting or decomposition
(pathology) An abnormal condition of a human, animal or plant that causes discomfort or dysfunction
A sore on the skin caused by chafing
Any of a number of fungal or bacterial diseases that cause tissue deterioration
Painful oral lesion, synonym of canker, not to be confused with cold sore
To rot or become infected, especially a plant with canker
“So soon as the taproot pierces down to the marl or clay below the mould, the tree will canker and die.”
To decrease in value, character or quality
“Your gold would canker, and the rust of it would be a witness against your soul.”
To wear away or destroy gradually
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