tricorder

noun

Etymology: The name of such a device in Star Trek, from tri- (referring to its three input keys, which by default cover geological, meteorological, and biological functions) + (re)corder

1. A fictional futuristic handheld device used for scanning, which may be specialized for medical, technical, or other purposes.

   “PLEASE TURN OFF ALL CELL PHONES AND TRICORDERS”

2. A real-world advanced handheld medical scanner.