: 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
Recent Examples on the Web
Aamir Khollam, Interesting Engineering, 9 May 2026
Police sent the drone to the area and used thermal imaging capabilities to find two people in the water about 2,600 feet from shore, Allard said.
—Justin Muszynski, Hartford Courant, 8 May 2026
Once operational in early 2027, the system will offer seven times more compute capacity than Aramco currently has, enabling it to handle larger volumes of data for seismic imaging and reservoir simulations.
—Matthew Martin, semafor.com, 7 May 2026
Using advanced imaging, Drew’s team observed mice brains before and after the animals began walking.
—Los Angeles Times, 7 May 2026
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Noun
Light replaces electronics Current robotic surgery systems rely heavily on imaging.
—Aamir Khollam, Interesting Engineering, 9 May 2026
Police sent the drone to the area and used thermal imaging capabilities to find two people in the water about 2,600 feet from shore, Allard said.
—Justin Muszynski, Hartford Courant, 8 May 2026
Once operational in early 2027, the system will offer seven times more compute capacity than Aramco currently has, enabling it to handle larger volumes of data for seismic imaging and reservoir simulations.
—Matthew Martin, semafor.com, 7 May 2026
Using advanced imaging, Drew’s team observed mice brains before and after the animals began walking.
—Los Angeles Times, 7 May 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 10 May. 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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