lesion
noun
- abnormality in the tissue of an organism
Wiktionary
Pronunciation: /ˈliːʒən/ / [ˈlɪi̯ʒən] ~ [ˈlɪi̯ʒn̩]
noun
Etymology: 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”).
- A wound or injury.
- An infected or otherwise injured or diseased organ or part, especially such on a patch of skin.
- Any compound formed from damage to a nucleic acid.
- 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
Etymology: 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”).
- To wound or injure, especially in an experiment or other controlled procedure.