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Definition of ulcer noun from the Oxford Advanced Learner's Dictionary

ulcer

noun
 
/ˈʌlsə(r)/
 
/ˈʌlsər/
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  1. an open sore on the outside of the body or on the surface of an organ inside the body, where there is a break in the skin or membrane covering the organ that fails to heal (= get better) without treatment
    • a stomach ulcer
    • There is a family history of gastric ulcer disease.
    see also mouth ulcer, peptic ulcerTopics Health problemsc2
    Oxford Collocations DictionaryUlcer is used before these nouns:
    • recurrence
    Ulcer is used after these nouns:
    • leg
    • mouth
    • stomach
    • …
    See full entry
    Word Originlate Middle English: from Latin ulcus, ulcer-.
See ulcer in the Oxford Advanced American Dictionary
Check pronunciation: ulcer

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perspective
noun
 
 
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