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cathode ray

Browse the Dictionary:: A; B; C; D; E; F; G; H; I; J; K; L; M; N; O; P; Q; R; S; T; U; V; W; X; Y; Z; #

cathode ray

Main Entry: cathode ray

Function: noun

Date: 1880

1 plural : the high-speed electrons emitted in a stream from the heated cathode of a vacuum tube
2 : a stream of electrons emitted from the cathode of a vacuum tube —usually used in plural

Learn more about "cathode ray"

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