virtual
adjective15th century{ds||1||}
- being such in essence or effect though not formally recognized or admitted
- being on or simulated on a computer or computer network : such as
- occurring or existing primarily online
virtual colonoscopy
noun
virtual colonoscopy
\
1994
- colonography —called also virtual colonography
virtual image
noun
virtual image
\
1859
- an image (such as one seen in a plane mirror) formed of points from which divergent rays (as of light) seem to emanate without actually doing so
virtual memory
noun
virtual memory
\
1959
- a section of a hard drive that can be used as if it were an extension of a computer's random-access memory —called also virtual storage
virtual private network
noun
virtual private network
\
1983
- a private computer network that functions over a public network (such as the Internet) and usually utilizes data encryption to provide secure access to something (such as an internal business server or private network) —called also VPN
virtual reality
noun
virtual reality
\
1987
- an artificial environment which is experienced through sensory stimuli (such as sights and sounds) provided by a computer and in which one's actions partially determine what happens in the environment; also : the technology used to create or access a virtual reality
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