: 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
Along with notifying store employees about price discrepancies, customers who see price scanner errors on their receipts may file a complaint with the state Standards Division.
—
Catherine Muccigrosso, Charlotte Observer, 22 Jan. 2025
The minute a call comes in, the system sends messages to a team of active and retired firefighters, first responders and reporters — people from all around the world monitoring public sources, scanners, cameras, satellites and more — to gather and vet as much information as possible.
—Jennifer Jolly, USA TODAY, 17 Jan. 2025
Reporters at Watch Duty — those who listen to scanners and update the app with push notifications about everything from air drops to evacuation updates — are mostly volunteers who coordinate coverage via Slack.
—Abigail Bassett, The Verge, 11 Jan. 2025
Ideally, manufacturers of these NIR scanner systems will use NIR-SORT to train and test their sorting algorithms.
—Alexandra Harrell, Sourcing Journal, 9 Jan. 2025
See all Example Sentences for scanner 
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Catherine Muccigrosso, Charlotte Observer, 22 Jan. 2025
The minute a call comes in, the system sends messages to a team of active and retired firefighters, first responders and reporters — people from all around the world monitoring public sources, scanners, cameras, satellites and more — to gather and vet as much information as possible.
—Jennifer Jolly, USA TODAY, 17 Jan. 2025
Reporters at Watch Duty — those who listen to scanners and update the app with push notifications about everything from air drops to evacuation updates — are mostly volunteers who coordinate coverage via Slack.
—Abigail Bassett, The Verge, 11 Jan. 2025
Ideally, manufacturers of these NIR scanner systems will use NIR-SORT to train and test their sorting algorithms.
—Alexandra Harrell, Sourcing Journal, 9 Jan. 2025
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 26 Jan. 2025.
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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