: one that scans: such as
a
: a device for sensing recorded data (as in a bar code)
a supermarket scanner
b
: a radio receiver that sequentially scans a range of frequencies for a signal
c
: a device that scans an image (such as a photograph) or document (such as a page of text) especially for use or storage on a computer
d
: a medical device for scanning a living body to collect diagnostic information see ct scanner
Examples of scanner in a Sentence
a price scanner at a supermarket
Recent Examples on the Web
To get a clearer picture of how pollution impacts whale sharks, the researchers collected skin samples and tissue biopsies from the whale sharks and used underwater ultrasound scanners to gauge body condition.
—
Melissa Cristina Marquez, Forbes, 8 Dec. 2024
Advocacy from trans travelers has since pressed the TSA to make even more changes, like introducing a gender-neutral algorithm for the full-body scanners in June 2023 (though reports of harassment and false alarms persist).
—Samantha Allen, Condé Nast Traveler, 16 Nov. 2024
The company highlights its efforts to promote its Upright MRI scanner and improve market recognition amid competitive pressures and economic uncertainties.
—Quartz Bot, Quartz, 12 Nov. 2024
Although there several election ballot scanners were inoperative at multiple polling locations in Cambria County in Pennsylvania, no widespread voting problems had been reported by the late afternoon.
—Thomas G. Moukawsher, Newsweek, 6 Nov. 2024
See all Example Sentences for scanner 
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Melissa Cristina Marquez, Forbes, 8 Dec. 2024
Advocacy from trans travelers has since pressed the TSA to make even more changes, like introducing a gender-neutral algorithm for the full-body scanners in June 2023 (though reports of harassment and false alarms persist).
—Samantha Allen, Condé Nast Traveler, 16 Nov. 2024
The company highlights its efforts to promote its Upright MRI scanner and improve market recognition amid competitive pressures and economic uncertainties.
—Quartz Bot, Quartz, 12 Nov. 2024
Although there several election ballot scanners were inoperative at multiple polling locations in Cambria County in Pennsylvania, no widespread voting problems had been reported by the late afternoon.
—Thomas G. Moukawsher, Newsweek, 6 Nov. 2024
See all Example Sentences for scanner
Dictionary Entries Near scanner
Cite this Entry
“Scanner.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/scanner. Accessed 22 Dec. 2024.
Copy CitationKids Definition
scanner
noun
scan·ner
ˈskan-ər 
: one that scans: as
a
: a device that senses recorded information
b
: a radio receiver that scans a range of frequencies for a signal
c
: a device that scans an image or document especially for use or storage on a computer
d
: a device for scanning a living body to collect medical information
Medical Definition
scanner
noun
scan·ner
ˈskan-ər
: a device (as a CT scanner) for making scans of a living body
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