: 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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Kapil Kajal, Interesting Engineering, 26 Sep. 2025
Using infrared heat-sensing and other thermal imaging technology, a drone pilot can easily find a bear — even in a dense forest or other heavy cover.
—Dac Collins, Outdoor Life, 25 Sep. 2025
That specimen formed the basis of the new reconstruction, which used cutting-edge CT scanning, light imaging and virtual techniques to separate the bones from the rock matrix that encased them, and to correct the distortions inherent in the fossil.
—Katie Hunt, CNN Money, 25 Sep. 2025
The tech layers a hyperspectral imaging system with artificial intelligence, designed for automaton.
—Alexandra Harrell, Sourcing Journal, 24 Sep. 2025
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Noun
Spectral imaging geolocation hyper-temporal sensor A centerpiece of the IIIF system is a new instrument called the Spectral Imaging Geolocation Hyper-Temporal Sensor, or SIGHTS, which traces its roots to basic research at Sandia more than a decade ago.
—Kapil Kajal, Interesting Engineering, 26 Sep. 2025
Using infrared heat-sensing and other thermal imaging technology, a drone pilot can easily find a bear — even in a dense forest or other heavy cover.
—Dac Collins, Outdoor Life, 25 Sep. 2025
That specimen formed the basis of the new reconstruction, which used cutting-edge CT scanning, light imaging and virtual techniques to separate the bones from the rock matrix that encased them, and to correct the distortions inherent in the fossil.
—Katie Hunt, CNN Money, 25 Sep. 2025
The tech layers a hyperspectral imaging system with artificial intelligence, designed for automaton.
—Alexandra Harrell, Sourcing Journal, 24 Sep. 2025
See All Example Sentences for imaging
Cite this Entry
“Imaging.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/imaging. Accessed 29 Sep. 2025.
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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