CATHODE SPOT


Meaning of CATHODE SPOT in English

noun

1. : a small area of the anticathode of an X-ray tube upon which the cathode rays are focused and from which proceed the X rays

2. : a small area on the mercury cathode of a mercury-arc rectifier where the arc strikes it and liberates electrons

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