noun
lesion
LEE-zhuhn
noun
1
An area of damaged or diseased tissue, such as a wound, sore, or abnormal patch on the skin or an organ.
"The doctor spotted a small lesion on the patient's arm and ordered a biopsy."
"MRI scans revealed several lesions on the brain."
How to Use Lesion
Learner’s notesIn plain EnglishA patch of damaged tissue somewhere on or in the body, caused by injury or disease.
Memory tip
It's a medical word for any kind of physical damage to tissue, not just a cut you can see.
Trace the full origin ↓
Common pairings
a skin lesion
brain lesion
a lesion on the
Word Forms
lesioned past tense, lesions plural, lesions singular
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The doctor spotted a small _____ on the patient's arm and ordered a biopsy.
Etymology
From Latin laesio, "an injury," from laedere, "to hurt or damage."