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.).
1. She travels in cyberspace by sending messages to friends around the world.
2. The Cyberspace is regarded as a goal of future virtual reality.
3. On the one hand there are the proliferating net neo - logisms - e - mail, emoticons, cyberspace and so on.