: 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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While mammography is standard for breast cancer detection, MRI is the most accurate for detecting silicone implant ruptures, though ultrasound is often used first due to cost and accessibility. Carlos Wolf, Miami Herald, 27 Mar. 2025 Along with uranium and iron, Greenland has rare earth minerals, a group of 17 metals valued for their use in advanced industries from smartphones to MRI machines to weapons systems. George Petras, USA Today, 27 Mar. 2025 Watkins was carried off the court and taken from the building in a wheelchair for an MRI. Jeff Metcalfe, Mercury News, 25 Mar. 2025 The Tigers acted quickly Sunday, setting up Pérez with an MRI, a CT scan and a bone scan. Cody Stavenhagen, The Athletic, 25 Mar. 2025 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 3 Apr. 2025.

Kids Definition

Medical Definition

: magnetic resonance imaging
also : a procedure in which magnetic resonance imaging is used
Last Updated: - Updated example sentences
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