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

Examples of MRI in a Sentence

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However, UTe2 first loses its superconducting state at magnetic fields of roughly 10 Tesla (more than three times stronger than those used in most MRI scanners), only to mysteriously regain zero resistance again under vastly stronger magnetic fields between 40 and 70 Tesla. Georgina Jedikovska, Interesting Engineering, 8 May 2026 The ultrasound was followed by an MRI and a colonoscopy, Garcia said, and doctors ultimately discovered the cancer, which had started in the colon and spread to the liver. ABC News, 8 May 2026 Bradley was urgently referred to neurology and had a second MRI scan with a special dye at Southmead Hospital in Bristol two days later. Gina Kalsi, PEOPLE, 8 May 2026 He is being monitored for a concussion, is in concussion protocol, and is also undergoing an MRI on his left shoulder, the YES Network said on its broadcast. Ryan Canfield, FOXNews.com, 7 May 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 14 May. 2026.

Kids Definition

Medical Definition

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