ulceration
nounDevelopment of an ulcer.
nounAn ulcer or an ulcerous condition.
nounThe formation of an ulcer.
nounThe result of such formation; an ulcer.
nounThe process of forming an ulcer, or of becoming ulcerous; the state of being ulcerated; also, an ulcer.
nounThe
An
a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue
nounthe process of ulcer formation; the process of becoming ulcerated