follow Dictionary.com

How Well Do You Know English Slang?

scanner

[skan-er] /ˈskæn ər/
noun
1.
a person or thing that scans.
2.
optical scanner.
See under optical scanning.
3.
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.
4.
(in aerial photography) a device for estimating the ratio of aircraft speed to aircraft altitude.
5.
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.
6.
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.
7.
Radio. a radio receiver, used especially by police, firefighters, and the press, that continuously tunes to preselected frequencies, broadcasting any signal that it detects.
8.
Medicine/Medical, Biology. a device for examining a body, organ, tissue, or other biologically active material.
Origin
1550-1560
1550-60; scan + -er1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples for scanners
  • For example, there are concerns that retina scanners might not always be clean.
British Dictionary definitions for scanners

scanner

/ˈskænə/
noun
1.
a person or thing that scans
2.
a device, usually electronic, used to measure or sample the distribution of some quantity or condition in a particular system, region, or area
3.
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
4.
any of various devices used in medical diagnosis to obtain an image of an internal organ or part See CAT scanner, nuclear magnetic resonance scanner, ultrasound scanner
5.
(informal) a television outside broadcast vehicle
6.
short for optical scanner
7.
(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
Cite This Source
Word Origin and History for scanners

scanner

n.

1550s, "person who examines critically," agent noun from scan (v.). From 1927 as a type of mechanical device, in mid-20c. use especially of radar and medical devices; later of computer accessories.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for scanner

Most English speakers likely know this word

Word Value for scanners

10
13
Scrabble Words With Friends