: 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
Buried 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 nounimaging 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
imaging
2 of 2present participle of image
Cite this Entry
“Imaging.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/imaging. Accessed 5 Sep. 2026.
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