1) Electrical component 2) Medical device 3) Vacuum tube
Found on
https://www.crosswordclues.com/clue/zetatron
A Zetatron is a high-voltage vacuum tube device that generates a stream of neutrons. The stream can be continuous, or rapidly pulsed on and off. It was invented by Sandia National Laboratories, and is manufactured and marketed by the Thermo Electron Corporation. Applications include research, explosives detection, well logging and body fat analysi...
Found on
http://en.wikipedia.org/wiki/Zetatron
No exact match found.
