cathode ray

noun

cathode ray

noun

1

Business, Electrical engineering, Electricity, Electromagnetism, Energy, Engineering, Natural sciences, Physical sciences, Physics A ray consisting of a stream of electrons in a vacuum tube that are emitted by the cathode and accelerated towards the anode by an electric field.

Derived terms: cathode ray tube

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.