English Explanatory Dictionary

lesion

English dictionary entry

Meanings

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

Pronunciation

/ˈliːʒən/ LL-Q1860 (eng)-Vealhurl-lesion.wav

Word forms

lesion lesions læsion lesioning lesioned

Etymology

From Middle English lesioun, from Old French lesion, from Latin laesiō (“injury”), itself from laesus, perfect passive participle of laedō (“to injure, hurt”).

Related words

lese majesty lèse majesté

Derived words

cryolesion hemilesion immunolesion indolent lesion of epithelial origin interlesion ipsilesional lesional lesionectomy lesionless lesionlike microlesion multilesion nonlesion Olney's lesions perilesion photolesion postlesion prelesion pseudolesion radiolesion translesion microlesioned nonlesioned unlesioned
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