1. The process of ulcer formation; the process of becoming ulcerated
   "Chronic stress can lead to stomach ulceration"
    
2. A circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue
   "He developed a painful stomach ulceration due to stress";
   - ulcer

Derived forms: ulcerations

Type of: biological process, lesion, organic process

Encyclopedia: Ulceration