virtual reality (VR)
réalité virtuelle
Definition:
Virtual reality (VR) is an experience taking place within simulated and immersive environments that can be similar to or completely different from the real world. Applications of virtual realitycan include entertainment (i.e. gaming) and educational purposes (i.e. medical or military training). Other, distinct types of VR style technology include augmented reality and mixed reality.
Source: https://en.wikipedia.org/wiki/Virtual_reality
Remarks:
none