: magnetic resonance imaging
also : the procedure in which magnetic resonance imaging is used

Examples of MRI in a Sentence

Recent Examples on the Web
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Iran war chokes Gulf’s helium exports The war in Iran is choking supplies of helium, vital for technologies from AI chatbots to MRI scanners. Andrew Edgecliffe-Johnson, semafor.com, 2 Apr. 2026 By April 26, Dahlberg said, MRI scans showed that her son’s brain had swollen so much that the damage was irreversible. Erika Edwards, NBC news, 2 Apr. 2026 Last year the radiologist saw something else on my MRI, and I was diagnosed with stage 1A triple-positive breast cancer. Jessica Keller, Glamour, 1 Apr. 2026 Minnesota announced earlier Monday that power forward Jaden McDaniels is week-to-week after an MRI revealed left knee patella tendinopathy and a bone bruise. CBS News, 30 Mar. 2026 See All Example Sentences for MRI

Word History

First Known Use

1982, in the meaning defined above

Time Traveler
The first known use of MRI was in 1982

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Cite this Entry

“MRI.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/MRI. Accessed 6 Apr. 2026.

Kids Definition

Medical Definition

: magnetic resonance imaging
also : a procedure in which magnetic resonance imaging is used
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