in·​farc·​tion in-ˈfärk-shən How to pronounce infarction (audio)
plural infarctions
: injury or death of tissue (as of the heart or lungs) resulting from inadequate blood supply especially as a result of obstruction of the local circulation by a thrombus or embolus : the process of forming an infarct
In myocardial infarction a coronary artery becomes obstructed and this leads to irreversible damage and necrosis of the heart tissue.Nicholas C. Price et al.
When dural sinuses are thrombosed, cortical and deep venous cerebral drainage is impaired, which can lead to infarction of the involved cerebral territories.Douglas J. Quint

Examples of infarction in a Sentence

Recent Examples on the Web Regardless of your immune status, cryptococcal meningitis can lead to cerebral infarctions (obstruction of blood flow to the brain) and permanent brain damage if not treated appropriately. Brigid Dwyer, Verywell Health, 2 July 2024 He was later diagnosed with an extremely rare spinal cord infarction, or a stroke in his spine, which paralyzed him. Doha Madani, NBC News, 15 June 2023 Just a few weeks after the triumphant Webster Hall gig, a 20th-anniversary celebration of his solo debut, The Fine Art of Self Destruction, Malin suffered an exceedingly rare spinal-cord infarction — a stroke in his back — while at dinner in the East Village. Joseph Hudak, Rolling Stone, 14 June 2023 The best perspective of the night came from ESPN analyst Ryan Clark, who was hospitalized for an extended period in 2007 with the Pittsburgh Steelers after suffering a splenic infarction. Joe Reedy, Chicago Tribune, 4 Jan. 2023 Ryan Clark, a former Steeler who was rushed from a 2007 game in Denver after suffering a splenic infarction, said on SportsCenter that in moments like this, the only thing that matters is Hamlin. Peter Weber, The Week, 3 Jan. 2023 Health authorities in the Chinese capital on Sunday reported two deaths of people with Covid-19, a 91-year-old woman with cerebral infarction and an 88-year-old man with respiratory disease and hypertension. Raffaele Huang, WSJ, 21 Nov. 2022 Simon Mitchell and colleagues report the case of a previously healthy 27-year-old man who inhaled helium and subsequently developed a stroke with transient blindness and radiographic evidence of cortical infarction. Ncbi Rofl, Discover Magazine, 2 May 2012

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'infarction.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1710, in the meaning defined above

Time Traveler
The first known use of infarction was in 1710

Dictionary Entries Near infarction

Cite this Entry

“Infarction.” Dictionary, Merriam-Webster, Accessed 22 Jul. 2024.

Medical Definition


in·​farc·​tion in-ˈfärk-shən How to pronounce infarction (audio)
: the process of forming an infarct
severe stress sometime between the 5th and 20th days after infarctionThe Journal of the American Medical Association
: infarct
developed a full-blown infarctionW. A. Nolen
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