The definition of cyberspace is the environment of the Internet.
(noun)An example of cyberspace is the home of Google, Yahoo and Facebook.
See cyberspace in Webster's New World College Dictionary
noun
Origin: cyber(netic) + space: coined by William Gibson (1948-), U.S. writer, in his novel Neuromancer (1984)
See cyberspace in American Heritage Dictionary 4
cy·ber·space
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