2
: an abnormal change in structure of an organ or part due to injury or disease
especially
: one that is circumscribed (see circumscribe sense 1) and well defined
Examples of lesion in a Sentence
Recent Examples on the Web
In addition, recent research showed IPL treatments effective in managing skin lesions: bumps or patches of irregular skin.7
How Laser Types Compare
The laser used to treat rosacea depends on the symptoms.
—
Mark Gurarie, Verywell Health, 2 Dec. 2024
It’s also known to cause skin lesions, raise risk of heart problems, and is associated with developmental disorders in childhood, according to the World Health Organization.
—Lauren Leffer, Popular Science, 27 Nov. 2024
Increasing vitamin B levels through turkey intake may benefit those experiencing depression, migraine headaches, and skin lesions, as research has connected vitamins B3, B6, and B12 accordingly.
—Chelsea Rae Bourgeois, Rdn, Ld, Health, 25 Nov. 2024
Some people infected by clade II in the U.S. have described the lesions as exceedingly painful.
—Aria Bendix, NBC News, 16 Nov. 2024
See all Example Sentences for lesion 
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Mark Gurarie, Verywell Health, 2 Dec. 2024
It’s also known to cause skin lesions, raise risk of heart problems, and is associated with developmental disorders in childhood, according to the World Health Organization.
—Lauren Leffer, Popular Science, 27 Nov. 2024
Increasing vitamin B levels through turkey intake may benefit those experiencing depression, migraine headaches, and skin lesions, as research has connected vitamins B3, B6, and B12 accordingly.
—Chelsea Rae Bourgeois, Rdn, Ld, Health, 25 Nov. 2024
Some people infected by clade II in the U.S. have described the lesions as exceedingly painful.
—Aria Bendix, NBC News, 16 Nov. 2024
See all Example Sentences for lesion
Dictionary Entries Near lesion
Cite this Entry
“Lesion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lesion. Accessed 21 Dec. 2024.
Copy CitationKids Definition
lesion
noun
le·sion
ˈlē-zhən 
: a change in the structure of a bodily organ or part due to injury or disease
especially
: an injured or diseased spot or area clearly marked off from healthy tissue around it
Medical Definition
Legal Definition
lesion
noun
le·sion
ˈlē-zhən
in the civil law of Louisiana
: loss from failure to receive a threshold amount or value (as one-half market value) for immovable property conveyed or transferred by a commutative contract (as a sale or exchange)
called also lesion beyond moiety
compare unjust enrichmentEtymology
Anglo-French, damage, injury, from Latin laesio, from laedere to injure
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