: 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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The magnetic robot navigated the biological environment under real-time MRI guidance, highlighting the system’s potential as an alternative to traditional colonoscopy procedures. Neetika Walter, Interesting Engineering, 1 Jan. 2026 Medication and brain networks The brain scan data included a type of MRI that measures brain activity when a person is at rest. Jon Hamilton, NPR, 27 Dec. 2025 Minshew will undergo an MRI on Monday to confirm the extent of his injury, the team said. Anna Lazarus Caplan, PEOPLE, 22 Dec. 2025 Those with the lowest risk did not have to begin testing until age 50, while those at the highest risk were required to get two tests per year, regardless of age, including a mammogram and an MRI. Alexa Mikhail, Flow Space, 19 Dec. 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 6 Jan. 2026.

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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