ulceration

ul·cer·a·tion  (ls-rshn)

n.

1. Development of an ulcer.

2. An ulcer or an ulcerous condition.

Thesaurus

Noun	1.	ulceration - a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue ulcer lesion - any localized abnormal structural change in a bodily part aphthous ulcer - a blister on the mucous membranes of the lips or mouth or gastrointestinal tract bedsore, decubitus ulcer, pressure sore - a chronic ulcer of the skin caused by prolonged pressure on it (as in bedridden patients) chancroid - infectious venereal ulcer peptic ulcer, peptic ulceration - an ulcer of the mucous membrane lining of the alimentary tract canker sore, canker - an ulceration (especially of the lips or lining of the mouth) noli-me-tangere - a cancerous ulcer of soft tissue and bone noma - acute ulceration of the mucous membranes of the mouth or genitals; often seen in undernourished children
	2.	ulceration - the process of ulcer formation; the process of becoming ulcerated biological process, organic process - a process occurring in living organisms