1. forming or developing an ulcer or open sore
Usage: present participle of ulcerate

1. characterized by or causing the formation of ulcers

Examples

• The wound was ulcerating despite treatment with antibiotics.
• Doctors were concerned about the ulcerating lesion on her leg.
• The patient’s condition worsened as the sores began ulcerating.
• An ulcerating tumor requires immediate medical attention.
• The chronic infection was ulcerating the tissue around the bone.
• She noticed the cut was ulcerating rather than healing properly.