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[sahy-ber-speys] /ˈsaɪ bərˌspeɪs/
the realm of electronic communication.
Origin of cyberspace
1980-85; cyber(netics) + space; coined by sci-fi author William Gibson Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for cyberspace


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 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Contemporary definitions for cyberspace

See Cyberia's 21st Century Lexicon
Copyright © 2003-2014, LLC
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Word Origin and History for 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 (n.).

Online Etymology Dictionary, © 2010 Douglas Harper
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cyberspace in Science
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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cyberspace in Culture

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 definitions & phrases for cyberspace



The putative or apparent ''space,'' be it mental, electronic, or ''virtual,'' in which computer phenomena, operations, and experiences take place; in particular, the universe of computer networks

[mid1980s+; seemingly coined by the science-fiction writer William Gibson and used in his 1986 book Count Zero]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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cyberspace in Technology

/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]

The Free On-line Dictionary of Computing, © Denis Howe 2010
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