cathode ray
Definitions
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.
Equivalents
3 more languages
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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