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

Examples of MRI in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That means metallic objects that come close to a switched on MRI can become dangerous projectiles. Michaela Maya-Mrschtik, Scientific American, 6 Aug. 2025 Usually, people who have vascular dementia have several strokes that can be seen on a brain MRI or CT. Heidi Moawad, Verywell Health, 6 Aug. 2025 Correctly identifying and treating strokes before serious neurological damage occurs currently relies on the ability to obtain a CT scan and MRI within several hours in order to determine the exact cause of the stroke. IEEE Spectrum, 4 Aug. 2025 Other imaging tests: Your doctor may recommend a magnetic resonance imaging (MRI) scan or a positron emission tomography (PET) scan to help determine how far the cancer has spread. Carrie Madormo, Health, 2 Aug. 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 20 Aug. 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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