lesion

noun
le·​sion | \ ˈlē-zhən How to pronounce lesion (audio) \

Definition of lesion

1 : injury, harm
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

Other Words from lesion

lesioned \ ˈlē-​zhənd How to pronounce lesion (audio) \ adjective

Examples of lesion in a Sentence

Recent Examples on the Web The middle area of the skin lesion starts to fade away first. Stephanie Watson, SELF, 8 Apr. 2022 While surgery can be an option at any stage on an individual lesion if the pain is major enough, wide surgical removal of an affected area and apocrine glands is most common in Hurley stage III. Sara Gaynes Levy, SELF, 17 Feb. 2022 The health care space already utilizes polarization information to identify cancerous skin cells, so imagine the ability to just take a picture of a skin lesion and send it to a medical lab for further analysis. Julian Chokkattu, Wired, 20 Jan. 2022 Or a cell phone camera that can tell whether a lesion on your skin is possibly cancerous. Julian Chokkattu, Wired, 20 Jan. 2022 Dermatologists suggest that the patches work their best magic when the lesion is a pustule (a pimple with pus at the tip). SELF, 30 Dec. 2021 Heslin opted to have surgery to remove the cancerous lesion and a nearby lymph node. Abigail Adams, PEOPLE.com, 27 Jan. 2022 When a lesion in the lung is detected, patients undergo a procedure called bronchoscopy, in which a small camera lens on the end of a flexible tube is used to peer inside the body. Julie Washington, cleveland, 25 June 2021 People can confuse a cold sore for a canker sore, an angry noncontagious lesion that isn’t linked with herpes, or an exceptionally painful pimple, at least in the beginning before the blister opens up. Zahra Barnes, SELF, 3 Jan. 2022 See More

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

First Known Use of lesion

15th century, in the meaning defined at sense 1

History and Etymology for lesion

Middle English, from Anglo-French, from Latin laesion-, laesio, from laedere to injure

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Time Traveler for lesion

Time Traveler

The first known use of lesion was in the 15th century

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Dictionary Entries Near lesion

Lesghian

lesion

Leskeaceae

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Statistics for lesion

Last Updated

25 Apr 2022

Cite this Entry

“Lesion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lesion. Accessed 24 May. 2022.

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More Definitions for lesion

lesion

noun
le·​sion | \ ˈlē-zhən How to pronounce lesion (audio) \

Kids Definition of lesion

: an abnormal spot or area of the body caused by sickness or injury

lesion

noun
le·​sion | \ ˈlē-zhən How to pronounce lesion (audio) \

Medical Definition of lesion

 (Entry 1 of 2)

: an abnormal change in structure of an organ or part due to injury or disease especially : one that is circumscribed and well defined

Other Words from lesion

lesioned \ -​zhənd How to pronounce lesion (audio) \ adjective

lesion

transitive verb

Medical Definition of lesion (Entry 2 of 2)

: to produce lesions in (as an animal's brain)

lesion

noun
le·​sion | \ ˈlē-zhən How to pronounce lesion (audio) \

Legal Definition of lesion

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 enrichment

History and Etymology for lesion

Anglo-French, damage, injury, from Latin laesio, from laedere to injure

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