lesion
noun
le·sion
| \ ˈlē-zhən
\
\
Definition of lesion
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
Keep scrolling for more
Other Words from lesion
lesioned
\ ˈlē-zhənd
\
adjective
\
adjective
Examples of lesion in a Sentence
Recent Examples on the Web
The researchers plan to monitor electrical signals in and around the lesion to learn how visual training and external stimulation could help restore function. — Alison Abbott, Science | AAAS, "Italian blindness researchers planning monkey studies threatened after health ministry releases names," 21 Aug. 2019 Those two lesions are beta-amyloid plaques and neurofibrillary tangles. — Scientific American, "Blood Tests for Alzheimer’s: Two Experts on Why New Studies Are Encouraging," 13 Aug. 2019 There’s not much to be down with a grade 3 lesion on a meniscus besides stem cell therapy. — Alaa Abdeldaiem, SI.com, "Joe Rogan Surprises MMA Fighter by Covering Expenses for Key Medical Procedure," 29 July 2019 Such lesions are ‘‘not uncommon’’ in the spring, according to NOAA’s website. — Janet Mcconnaughey, BostonGlobe.com, "Nearly 300 dolphins dead on Gulf Coast, triple usual number," 14 June 2019 In others, researchers only counted lesions visible to the naked eye. — A.a. Newton, SELF, "Here’s How to Tell if Your Skin-Care Products Are Actually Noncomedogenic," 8 Aug. 2019 Other issues cause similar browning, such as annual grassy weeds that die back now, but your photos show what appears to be leaf lesions of brown patch. — Ellen Nibali, baltimoresun.com, "Garden Q&A: Dealing with brown patch fungus in your lawn and inedible pears," 25 July 2019 Some were covered in lesions consistent with exposure to fresh water, which might have spilled into the Gulf during the winter, officials said. — Scottie Andrew And Katherine Dillinger, CNN, "A $38,000 reward is being offered after a Florida dolphin was fatally speared in the head," 12 July 2019 Only a handful of examples exist, such as Tasmanian devil facial lesions and leukemia in some clams. — Jon Kelvey, Smithsonian, "The Evolution of Sex Could Have Provided a Defense Against Cancer Cells," 11 June 2019These 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.
Keep scrolling for more
Keep scrolling for more
More Definitions for lesion
lesion
noun
English Language Learners Definition of lesion
medical
: an injured or diseased spot or area on or in the body
See the full definition for lesion in the English Language Learners Dictionary
lesion
noun
le·sion
| \ ˈlē-zhən
\
\
Kids Definition of lesion
: an abnormal spot or area of the body caused by sickness or injury
lesion
noun
le·sion
| \ ˈlē-zhən
\
\
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
\
adjective
\
adjective
lesion
transitive verbMedical Definition of lesion (Entry 2 of 2)
: to produce lesions in (as an animal's brain)
Keep scrolling for more
lesion
noun
le·sion
| \ ˈlē-zhən
\
\
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 enrichmentKeep scrolling for more