Definition of scanner
: one that scans: such asa : a device for sensing recorded data (as in a bar code) a supermarket scannerb : a radio receiver that sequentially scans a range of frequencies for a signalc : 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 computerd : 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 of scanner from the Web
Since last month, trials that let enrollees use a digital fingerprint scanner to speed through TSA security are underway in Atlanta and Denver.
Police jargon, heard over scanners that pick up police radio frequencies, can be confusing or amusing.
According to testimony submitted to a June 2014 Senate homeland security committee hearing, in 2001 Customs and Border Patrol had none of the big scanners - known as radiation portal monitors - that spot radiological hazards.
Using a magnetic resonance scanner, a noninvasive instrument that can peer deeply inside the body, the scientists measured the amount of fat in each bird before and after the 2-hour flight test—a proxy for how much energy the birds spent.
Even disabled voters, who will cast their votes on touch-screen machines, will have their ballots printed out and tallied through a print scanner.
The new ultrasonic fingerprint scanners unveiled by Qualcomm this week work under displays, glass and metal.
Once an order comes through, associates use a scanner app to locate items in warehouses, then bag them for delivery.
Like any other luggage, a passenger sent the crustacean, which was packed in an insulated cooler, through the X-ray scanner.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'scanner.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of scanner
SCANNER Defined for English Language Learners
Definition of scanner for English Language Learners
: a device that reads or copies information or images into a computer
: a device that is used to see inside something
: a radio receiver that searches for a signal
SCANNER Defined for Kids
Definition of scanner for Students
: a device that converts a printed image (as text or a photograph) into a form a computer can display or alter
Seen and Heard
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