Photography. any device for exposing an image on film, a sensitized plate, etc., by tracing light along a series of many closely spaced parallel lines.
(in aerial photography) a device for estimating the ratio of aircraft speed to aircraft altitude.
a photoelectric device for scanning a picture to determine automatically the density of the hue or value in each area for transmission by wire or radio or for preparation of color process printing plates.
a computer-aided electronic system using photoelectric cells to separate copy, as color illustrations, into its primary colors, correct color copy, and produce a set of color separations ready for proofing or printing.
Radio. a radio receiver, used especially by police, firefighters, and the press, that continuously tunes to preselected frequencies, broadcasting any signal that it detects.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use scanner in a sentence
They needed additional staff and scanners to process ballots.The Secret History of the Shadow Campaign That Saved the 2020 Election | Molly Ball | February 4, 2021 | Time
At National Airport, the TSA is rolling out the use of face scanners to verify travelers’ identities.Planning on Thanksgiving holiday travel? Many in the D.C. area are staying put. | Lori Aratani | November 23, 2020 | Washington Post
Mandavia saw huge potential in spreading the use of scanners to diagnose a wide range of life-threatening conditions.How Fujifilm pivoted fast to capture a key piece of the COVID treatment market | Shawn Tully | November 21, 2020 | Fortune
The company now has about five developers, as well as designers and translators as all efforts focus on building and improving the scanner.Mobile security startup Oversecured launches after self-funding $1 million, thanks to bug bounty payouts | Zack Whittaker | November 12, 2020 | TechCrunch
In addition, election officials in every county must hand-count the ballots in two randomly selected precincts to ensure that vote totals match the tabulation results from the digital scanners.Officials stress security of election systems after U.S. reveals new Iranian and Russian efforts | Amy Gardner, Isaac Stanley-Becker, Elise Viebeck | October 29, 2020 | Washington Post
Chicago provides crime reporters and amateur scanner-chasers with more grit and brutality than they can handle combined.
As with the fingerprint scanner of the iPhone 5s, the larger screen means that the phone will cost more.iWatch, iPhone 6, and More: What Apple Has Up Its Sleeve | Kyle Chayka | September 7, 2014 | THE DAILY BEAST
But can a scanner the size of a TV remote really tell when that chicken goes bad?
“If we can pop smoke we can get the wounded out of the way,” one reported on the scanner.
Mike checked in at the 10th electoral district, got his ballot, made marks next to his choices and fed it into the scanner.Sandy’s Rockaway Victims Pause to Vote, Press On With Recovery Efforts | Michael Daly | November 7, 2012 | THE DAILY BEAST
Miller, who had been at the scanner searching over the alien ship at close range, reeled out of his seat, clutching at his eyes.Greylorn | John Keith Laumer
The psychologist settled himself in the chair, leaned forward and peered into the scanner.Gone Fishing | James H. Schmitz
He was stooped slightly forwards, peering absorbedly through the eyepieces of the operator scanner before him.Gone Fishing | James H. Schmitz
But something went wrong, the scanner picked up this planet, and I was coming through, and then something blew.Circus | Alan Edward Nourse
The machine's crowning glory was a big bowl-shaped sort of thing that didn't quite succeed in looking like a radar scanner.And Then the Town Took Off | Richard Wilson
British Dictionary definitions for scanner
a person or thing that scans
a device, usually electronic, used to measure or sample the distribution of some quantity or condition in a particular system, region, or area
an aerial or similar device designed to transmit or receive signals, esp radar signals, inside a given solid angle of space, thus allowing a particular region to be scanned
informal a television outside broadcast vehicle
short for optical scanner
printing an electronic device which scans printed material and converts it to digital form
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012