magnetic resonance

noun

: the excitation of particles (such as atomic nuclei or electrons) in a magnetic field by exposure to electromagnetic radiation of a specific frequency

Examples of magnetic resonance in a Sentence

Recent Examples on the Web
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Twins center fielder Byron Buxton left the clubhouse early today to get a magnetic resonance imaging exam. John Shipley, Twin Cities, 27 July 2025 This illustrative image from October 5, 2021, shows a magnetic resonance imaging machine at Neurospin in Gif-sur-Yvette, southwest of Paris. Brendan Cole, MSNBC Newsweek, 19 July 2025 Imaging studies: Computed tomography (CT) scans, magnetic resonance imaging (MRI) scans, or positron emission tomography (PET) scans can help detect cancerous tumors and metastasis. Carrie Madormo, Health, 18 July 2025 That's why people diagnosed with the condition are advised to undergo intensive cancer screenings, including annual ultrasounds of the thyroid starting at age 7 and annual mammograms and MRIs (magnetic resonance imaging) starting at age 30 at the latest. Eric Berger, ArsTechnica, 12 June 2025 See All Example Sentences for magnetic resonance

Word History

First Known Use

1938, in the meaning defined above

Time Traveler
The first known use of magnetic resonance was in 1938

Cite this Entry

“Magnetic resonance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnetic%20resonance. Accessed 1 Aug. 2025.

Medical Definition

magnetic resonance

noun
: the absorption of energy exhibited by particles (as atomic nuclei or electrons) in a static magnetic field when the particles are exposed to electromagnetic radiation of certain frequencies
abbreviation MR
see nuclear magnetic resonance

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