ulcer

noun ul·cer \ ˈəl-sər \
Updated on: 28 Nov 2017

Definition of ulcer

1 : a break in skin or mucous membrane with loss of surface tissue, disintegration and necrosis of epithelial tissue, and often pus
2 : something that festers and corrupts like an open sore

ulcer

verb

Recent Examples of ulcer from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ulcer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of ulcer

Middle English, from Latin ulcer-, ulcus; akin to Greek helkos wound



ULCER Defined for English Language Learners

ulcer

noun

Definition of ulcer for English Language Learners

  • medical : a painful, sore area inside or outside the body


ULCER Defined for Kids

ulcer

noun ul·cer \ ˈəl-sər \

Definition of ulcer for Students

: a slow-healing open painful sore (as of the lining of the stomach) in which tissue breaks down

Medical Dictionary

1

ulcer

noun ul·cer \ ˈəl-sər \

medical Definition of ulcer

: a break in skin or mucous membrane with loss of surface tissue, disintegration and necrosis of epithelial tissue, and often pus
  • a stomach ulcer

2

ulcer

verb

medical Definition of ulcer

ulcered; ulcering play \ˈəls-(ə-)riŋ\


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