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lesion Syllabification: le·sion
Pronunciation: /ˈlēZHən/

Definition of lesion in English:


chiefly Medicine
A region in an organ or tissue that has suffered damage through injury or disease, such as a wound, ulcer, abscess, tumor, etc.
Example sentences
  • We also recorded the presence and severity of scabies, abscesses, and fungal lesions.
  • It was felt the likely cause of the abscess was an open lesion from the patient's severe eczema.
  • The most common presenting lesions are papules, vesicles, pustules, and nodules.
wound, injury, bruise, abrasion, contusion;
ulcer, ulceration, sore, running sore, abscess;
Medicine  trauma


Late Middle English: via Old French from Latin laesio(n-), from laedere 'injure'.

Words that rhyme with lesion

adhesion, cohesion, Friesian
Definition of lesion in:
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