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4 dictionary results for: scanner
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
scan·ner       [skan-er] Pronunciation Key
–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 esp. 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: 1550–60; scan + -er1]
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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American Heritage Dictionary - Cite This Source - Share This
scan·ner       (skān'ər)  Pronunciation Key 
n.  
  1. One that scans.
  2. A receiver that continuously broadcasts signals it detects from specified radio frequencies: heard about the robbery over the police officer's scanner.
  3. An optical scanner.
  4. A device, such as a CAT scanner or PET scanner, for observing internal organs, tissues, and other parts of the body,

(Download Now or Buy the Book)
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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WordNet - Cite This Source - Share This
scanner

noun
1. someone who scans verse to determine the number and prosodic value of the syllables 
2. an electronic device that generates a digital representation of an image for data input to a computer 
3. a radar dish that rotates or oscillates in order to scan a broad area 
4. a radio receiver that moves automatically across some selected range of frequencies looking for some signal or condition; "they used scanners to monitor police radio channels" 

WordNet® 3.0, © 2006 by Princeton University.
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Free On-line Dictionary of Computing - Cite This Source - Share This

scanner
1. An input device that takes in an optical image and digitises it into an electronic image represented as binary data. This can be used to create a computerised version of a photo or illustration.
A scanner may be linked to optical character recognition software allowing printed documents to be converted to electronic text without having to type them in at a keyboard.
2. lexical analyser.
(1995-02-14)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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