lesion

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lesion

  • /ˈliːʒən/

Rhymes with -iːʒən

Where it comes from

From Middle English lesioun (“physical injuring of the body”), from Old French lesion (“hurt, offense, wrong, injury, wound”), from Latin laesiō (“hurt, harm, injury”) (whence -ion (“noun suffix denoting action, result, process, state, condition”)), from laesus (“hurt, injured, wounded, damaged”), past participle of laedō (“to strike, collide, hurt”).

noun lesions · læsion

  1. A wound or injury.
  2. An infected or otherwise injured or diseased organ or part, especially such on a patch of skin.
  3. Any compound formed from damage to a nucleic acid.
  4. Injury or an unfair imbalance in a commutative contract wherein the consideration is less than half of the market value, which then serves as a basis for the injured party to sue to rescind the agreement.

verb lesions · lesioning · lesioned · læsion

  1. transitive To wound or injure, especially in an experiment or other controlled procedure.

Thesaurus

Closest in meaning: wound, injury, damage, harm, infringement, laceration, abrasion, sore, ulcer, cut, trauma, burn, blister, gash, contusion, ulceration

Translations

Every language

noun a wound or an injury

Españollesión
中文病灶 bìngzào, 損傷 /损伤 sǔnshāng
Portuguêslesão
Françaislésion
DeutschVerletzung, Läsion
Italianolesione
Românăleziune
Русскийра́на rána, поврежде́ние povreždénije, теле́сное поврежде́ние telésnoje povreždénije

noun injury or loss arising from an uneven contractual exchange

Españollesión enorme, lesión enormísima
Portuguêslesão enorme
Françaislésion
Deutschenorme Verletzung, Übervorteilung
Italianolesione

noun an infected or otherwise injured or diseased organ or part

Españollesión
Portuguêslesão
Françaislésion
DeutschLäsion
Italianolesione
Românărană

verb to wound or injure, especially in an experiment or other controlled procedure

Françaisblesser

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Cite this
MLA

"lesion." Wiktionary, via Micwyn, micwyn.com/word/lesion. Accessed 6 Nov. 2026.

APA

lesion. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/lesion

Chicago

"lesion." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/lesion.

BibTeX
@misc{lesion_2026,
  title = {lesion},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/lesion},
  urldate = {2026-11-06}
}