Klystron: Meaning and Definition of

Klys•tron

1. a brand name for a vacuum tube containing an electron gun, a resonator that changes the velocity of the electron beam in accordance with a signala drift tube in which the electron velocity does not change, another resonator that abstracts energy from the electron beamand an electrode that collects the electronsIt has several ultra-high-frequency applications. Cf. resonator (def. 4).