ulcerating

verb (used without object), ul·cer·at·ed, ul·cer·at·ing.

1. to form an ulcer; become ulcerous: His skin ulcerated after exposure to radioactive material.

verb (used with object), ul·cer·at·ed, ul·cer·at·ing.

2. to cause an ulcer on or in: Continued worry ulcerated his stomach.

verb

1. to make or become ulcerous

v.

1. To develop an ulcer; become ulcerous.