: 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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Ca Wildfire Bot, Sacbee.com, 8 Sep. 2025
This approach has led to overregulation of nuclear power, radioactive waste handling, and medical imaging.
—Anna Broughel, Forbes.com, 7 Sep. 2025
After this stage, an impactor spacecraft will crash into the asteroid at high velocity, while the observer, supported by ground- and space-based telescopes, records the collision with advanced imaging systems.
—Bojan Stojkovski, Interesting Engineering, 7 Sep. 2025
While the transit and stellar wobble methods are still the most prolific, the science of direct imaging is bringing us some of the most important results in exoplanet science, including prospects for life.
—Ethan Siegel, Big Think, 6 Sep. 2025
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Noun
Unmanned Aerial Systems with thermal imaging and infrared capability are in use and night-capable aircraft are available to support crews overnight if needed and as conditions permit.
—Ca Wildfire Bot, Sacbee.com, 8 Sep. 2025
This approach has led to overregulation of nuclear power, radioactive waste handling, and medical imaging.
—Anna Broughel, Forbes.com, 7 Sep. 2025
After this stage, an impactor spacecraft will crash into the asteroid at high velocity, while the observer, supported by ground- and space-based telescopes, records the collision with advanced imaging systems.
—Bojan Stojkovski, Interesting Engineering, 7 Sep. 2025
While the transit and stellar wobble methods are still the most prolific, the science of direct imaging is bringing us some of the most important results in exoplanet science, including prospects for life.
—Ethan Siegel, Big Think, 6 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 9 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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