: 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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In explaining the way canines feel about their owners, the AKC quotes a scientific study in which dogs were observed under an MRI machine as they were presented with a variety of scents. Thomas G. Moukawsher, Newsweek, 5 Nov. 2024 Imaging: Ultrasound, X-ray, computerized tomography (CT), and magnetic resonance imaging (MRI) can give providers a different look at your insides. Mark Gurarie, Health, 2 Nov. 2024 Early detection through imaging techniques such as ultrasound, MRI, and CT scans can facilitate timely intervention. Robert Burakoff, Verywell Health, 1 Nov. 2024 The new study looked at MRI brain scans from a larger sample of 900 people across the political spectrum and once again showed an association between amygdala size and conservatism. Paul Hsieh, Forbes, 30 Oct. 2024 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

Dictionary Entries Near MRI

Cite this Entry

“MRI.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/MRI. Accessed 14 Nov. 2024.

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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