charactron
nounUK /ˈkæɹɪkˌtɹɒn/ · US /ˈkæɹəkˌtɹɑn/
Etymology Originally a trademark, presumably character + -tron.
1
Business, Electrical engineering, Electricity, Electromagnetism, Electronics, Energy, Engineering, Natural sciences, Physical sciences, Physics A form of cathode ray tube used to display letters and other characters