cyberspace

[sahy-ber-speys]
noun
1.
the realm of electronic communication.

Origin:
1985–90; cyber(netic) + space

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
cyberspace (ˈsaɪbəˌspeɪs)
 
n
all of the data stored in a large computer or network represented as a three-dimensional model through which a virtual-reality user can move

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Dictionary.com's 21st Century Lexicon
Main Entry:  cyberspace
Part of Speech:  n
Definition:  See Cyberia
Dictionary.com's 21st Century Lexicon
Copyright © 2003-2014 Dictionary.com, LLC
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Etymonline
Word Origin & History

cyberspace
1982, often as two words at first, coined by science fiction writer William Gibson (best known for "Neuromancer") and used by him in a short story published in 1982, from cyber- (see cybernetics) + space.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
cyberspace   (sī'bər-spās')  Pronunciation Key 
The electronic medium of computer networks, in which online communication takes place.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

cyberspace definition


The space in which computer transactions occur, particularly transactions between different computers. We say that images and text on the Internet exist in cyberspace, for example. The term is also often used in conjunction with virtual reality, designating the imaginary place where virtual objects exist. For example, if a computer produces a picture of a building that allows the architect to “walk” through and see what a design would look like, the building is said to exist in cyberspace.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Slang Dictionary

cyberspace

/si:'br-spays`/ n.
1. Notional `information-space' loaded with visual cues and navigable with brain-computer interfaces called `cyberspace decks'; a characteristic prop of cyberpunk SF. Serious efforts to construct virtual reality interfaces modeled explicitly on Gibsonian cyberspace are under way, using more conventional devices such as glove sensors and binocular TV headsets. Few hackers are prepared to deny outright the possibility of a cyberspace someday evolving out of the network (see the network).
2. The Internet or Matrix (sense #2) as a whole, considered as a crude cyberspace (sense 1). Although this usage became widely popular in the mainstream press during 1994 when the Internet exploded into public awareness, it is strongly deprecated among hackers because the Internet does not meet the high, SF-inspired standards they have for true cyberspace technology. Thus, this use of the term usually tags a wannabee or outsider. Oppose meatspace.
3. Occasionally, the metaphoric location of the mind of a person in hack mode. Some hackers report experiencing strong eidetic imagery when in hack mode; interestingly, independent reports from multiple sources suggest that there are common features to the experience. In particular, the dominant colors of this subjective `cyberspace' are often gray and silver, and the imagery often involves constellations of marching dots, elaborate shifting patterns of lines and angles, or moire patterns.
FOLDOC
Computing Dictionary

cyberspace definition

jargon
/si:'ber-spays/ 1. (Coined by William Gibson) Notional "information-space" loaded with visual cues and navigable with brain-computer interfaces called "cyberspace decks"; a characteristic prop of cyberpunk SF. In 1991 serious efforts to construct virtual reality interfaces modelled explicitly on Gibsonian cyberspace were already under way, using more conventional devices such as glove sensors and binocular TV headsets. Few hackers are prepared to deny outright the possibility of a cyberspace someday evolving out of the network (see network, the).
2. Occasionally, the metaphoric location of the mind of a person in hack mode. Some hackers report experiencing strong eidetic imagery when in hack mode; interestingly, independent reports from multiple sources suggest that there are common features to the experience. In particular, the dominant colours of this subjective "cyberspace" are often grey and silver, and the imagery often involves constellations of marching dots, elaborate shifting patterns of lines and angles, or moire patterns.
[Jargon File]
(1999-02-01)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Encyclopedia Britannica
Encyclopedia

cyberspace

Like the Land of Oz, cyberspace was originally the invention of a writer, the science-fiction novelist William Gibson. While Oz remains the domain of a wizard and a little girl from Kansas, however, cyberspace has leapt off the page to become a subject of wide public interest and debate. As both a dream and a reality, it has sparked renewed discussion about the social and economic assumptions underlying our present means of communication, as well as the role of technology in our lives. By the beginning of 1995, there was a growing consensus that cyberspace had become a region that could significantly affect the structure of our economies, the development of our communities, and the protection of our rights as free citizens

Learn more about cyberspace with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
In today's cyberspace-paced world, ingredients evolve from gourmet to everyday practically overnight.
Bringing the world to you but not you to the world, cyberspace is not a dressy
  place.
Even if the computer crashed, there is a backup in cyberspace.
He later blossoms into legend with the prize-winning fiction that gives the
  world the term cyberspace.
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