scanner

noun

scan·​ner ˈska-nər How to pronounce scanner (audio)
: 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 After police officers permitted to carry firearms were factored out of one study at a Bronx hospital, the scanners were found to be accurate less than 1 percent of the time. Dell Cameron Andrew Couts, WIRED, 6 Apr. 2024 Cesari, who was allegedly present at all the robberies, often used a police scanner to help keep a watch for authorities, prosecutors claim. Aimee Picchi, CBS News, 5 Apr. 2024 Charlotte Observer reporting that year showed mixed results for the scanners early in their use. Gavin Off, Charlotte Observer, 1 Apr. 2024 Adams said the city would perform its own analysis of the scanners’ accuracy. Karen Matthews, Fortune, 29 Mar. 2024 Using an electromagnetic scanner fine enough to discern signals from different parts of an IC, the Texas and Intel team was unable to crack the key in their test chip, even after 40 million attempts. IEEE Spectrum, 28 Feb. 2024 The Transportation Security Administration has new scanners that take your picture to verify your identity. Christopher Elliott, USA TODAY, 29 Mar. 2024 Evolv’s scanners have reportedly flagged umbrellas as guns but failed to detect aluminum and steel tubes that were cut to look like gun barrels Evolv’s scanners look like metal detectors but are equipped with AI. Gaby Del Valle, The Verge, 28 Mar. 2024 Los Angeles' subway became the first mass transit system in the U.S. to install body scanners to detect weapons in 2018. Meredith Deliso, ABC News, 28 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'scanner.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1556, in the meaning defined above

Time Traveler
The first known use of scanner was in 1556

Dictionary Entries Near scanner

Cite this Entry

“Scanner.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/scanner. Accessed 24 Apr. 2024.

Kids Definition

scanner

noun
scan·​ner ˈskan-ər How to pronounce scanner (audio)
: 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 How to pronounce scanner (audio)
: a device (as a CT scanner) for making scans of a living body

More from Merriam-Webster on scanner

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