head-mounted display
noun /ˌhed ˌmaʊntɪd dɪˈspleɪ/
/ˌhed ˌmaʊntɪd dɪˈspleɪ/
(abbreviation HMD)
- a device worn on the head containing a small computer that allows the user to see a virtual world
- This head-mounted display can take pictures, record videos and transmit data via wi-fi.