CATHODE RAY


Meaning of CATHODE RAY in English

noun

Etymology: part translation of German kathodenstrahl, from kathode cathode + strahl ray

1. : one of the high-speed electrons (as a thermion) projected in a stream from the heated cathode of a vacuum tube under the propulsion of a strong electric field

2. : a stream of cathode-ray electrons

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.