: the action or process of using specialized techniques (such as ultrasound, tomography, or radiography) to produce an image of something that is not visible to the naked eye (such as internal bodily organs or the Earth's subsurface)
Brain imaging of patients with vascular dementia typically show small strokes or poor blood supply deep in the brain, at the natural terminal … of the blood vessel.—
Renee Meyer
Renee MeyerBuried under sand, the layout of a city some 4,000 years old has been revealed before anyone lifted a trowel. To build the map of [the city], … archaeologists used geomagnetic imaging, which measures Earth's magnetic force.—National Geographic
—often used before another nounNational Geographicimaging equipment
a thermal imaging camera
A computed tomography scan … is an imaging test that lets doctors see inside a person's body.—NBCNews.com
see also magnetic resonance imaging
NBCNews.comimaging
2 of 2present participle of image
Examples of imaging in a Sentence
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Lisa Kailai Han, CNBC, 12 June 2026
The frequencies are increasingly being explored for applications ranging from high-resolution imaging and advanced sensing to satellite communications and future mobile networks.
—Neetika Walter, Interesting Engineering, 12 June 2026
Rather than calling it a beginner-friendly all-in-one device, ArcBlue is pitching it as more of a professional full-frame imaging system, built around a 24-MP Sony IMX410 full-frame CMOS sensor.
—New Atlas, 12 June 2026
Even more advanced technologies like spectroscopic imaging will need time to mature.
—Christine Ro, Forbes.com, 12 June 2026
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Noun
Planet Labs Earth imaging company Planet Labs is another complementary play, Pendy noted.
—Lisa Kailai Han, CNBC, 12 June 2026
The frequencies are increasingly being explored for applications ranging from high-resolution imaging and advanced sensing to satellite communications and future mobile networks.
—Neetika Walter, Interesting Engineering, 12 June 2026
Rather than calling it a beginner-friendly all-in-one device, ArcBlue is pitching it as more of a professional full-frame imaging system, built around a 24-MP Sony IMX410 full-frame CMOS sensor.
—New Atlas, 12 June 2026
Even more advanced technologies like spectroscopic imaging will need time to mature.
—Christine Ro, Forbes.com, 12 June 2026
See All Example Sentences for imaging
Cite this Entry
“Imaging.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/imaging. Accessed 14 Jun. 2026.
Copy CitationMedical Definition
imaging
noun
: the action or process of using specialized techniques (such as ultrasound, tomography, or radiography) to produce an image especially of an internal body part or organ
advances in clinical diagnostic imaging
Brain imaging has identified numerous regions of altered structure or activity in the brain during major depression, suggesting disordered neurocircuitry in a variety of structures …—J. John Mann, The New England Journal of Medicine
—often used before another nounJ. John Mann, The New England Journal of Medicineimaging modalities
The advent of rapid imaging techniques has made magnetic resonance angiography (MRA) an attractive technology in the evaluation of pulmonary vascular disorders.—Eric G. Honig et al., Scientific American Medical Bulletin
see also magnetic resonance imaging
Eric G. Honig et al., Scientific American Medical BulletinLove words? Need even more definitions?
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