The Collaborative International Dictionary
Ulcerating
Ulcerate \Ul"cer*ate\, v. i. [imp. & p. p. Ulcerated; p. pr. & vb. n. Ulcerating.] [L. ulceratus, p. p. of ulcerare, fr. ulcus ulcer.] To be formed into an ulcer; to become ulcerous.
Wiktionary
ulcerating
vb. (present participle of ulcerate English)
Usage examples of "ulcerating".
When it is thrown off, it sometimes leaves a foul, ulcerating surface beneath.