The Free On-line Dictionary of Computing (19 January 2023):
virtual reality VR(VR) Computer simulations that use 3D graphics, often displayed in a VR headset or goggles and hand controllers, e.g. the data glove, that allow the user to interact with the simulation. (2021-12-02) The Jargon File (version 4.4.7, 29 Dec 2003):
VR //, n. On-line abbrev for virtual reality, as opposed to RL.