magnetic resonance


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

Example Sentences

Recent Examples on the Web Because digital rectal exams may lack a certain sensitivity to diagnose prostate cancers in earlier stages, researcher are recommending that other methods, like prostate specific antigen (PSA) blood tests and magnetic resonance imaging (MRI), are instead to help screen for the disease. Tasmiha Khan, Health, 4 Apr. 2023 Using magnetic resonance spectroscopy, researchers from Pitie-Salpetriere University Hospital in Paris found that high-demand cognitive work led to a build-up of glutamate—a chemical that nerve cells use to transmit signals to other cells—in the pre-frontal cortex area of the brain. Alex Millson/bloomberg, Time, 11 Aug. 2022 Between 2016 and 2018, a British AI system that analyzed cardiac magnetic resonance scans — which depict blood flow through a patient’s heart — proved adept at predicting which patients would later experience a major adverse cardiovascular event, such as a stroke or even death. Elizabeth Svoboda, Discover Magazine, 13 June 2022 The small study -- conducted by researchers at Ohio State University -- found in cardiac magnetic resonance images, or MRIs, that among 26 of the university's competitive athletes who were recovering from Covid-19, four showed signs of inflammation of the heart muscle, called myocarditis. Jacqueline Howard And Jen Christensen, CNN, 14 Sep. 2020 That is the hospital's most profitable innovation area, whereby the likes of Epson, Canon, LG, and Siemens hire Einstein to develop initiatives such as algorithms or the software installed in equipment such as magnetic resonance machines. Angelica Mari, Forbes, 23 Mar. 2023 Scientists have come up with a new way to test the viability of human sperm by using a technique called magnetic resonance spectroscopy (MRS). Lacy Schley, Discover Magazine, 7 Aug. 2017 Vitamin A levels and the results of magnetic resonance angiography, echocardiography, and a thrombophilia screening were also normal. Seriously Science, Discover Magazine, 8 Feb. 2017 This road works by leveraging magnetic resonance induction, where copper coils embedded under the roadway transfer energy to a receiver installed on any electric vehicle—whether a Chevy Bolt or massive electrified bus. Darren Orf, Popular Mechanics, 7 Feb. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'magnetic resonance.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1903, in the meaning defined above

Time Traveler
The first known use of magnetic resonance was in 1903

Dictionary Entries Near magnetic resonance

Cite this Entry

“Magnetic resonance.” Dictionary, Merriam-Webster, Accessed 6 Jun. 2023.

Medical Definition

magnetic resonance

: 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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