• (British) IPA: /ʌlsə/
  • (America) IPA: /ʌlsɚ/

ulcer (plural ulcers)

  1. (pathology) An open sore of the skin, eyes or mucous membrane, often caused by an initial abrasion and generally maintained by an inflammation and/or an infection.
  2. (pathology) peptic ulcer
  3. (figurative) Anything that festers and corrupts like an open sore; a vice in character.
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