Definitions
There is 1 meaning of the phrase
Vacuum Tube.
Vacuum Tube - as a noun
Electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
Synonyms (Exact Relations)
electron tubethermionic tubethermionic vacuum tubethermionic valvetubeHypernyms (Closely Related)
electronic deviceHyponyms (Broadly Related)
Example Sentences
"The vacuum tube is an essential component of electronic devices."
"Old-fashioned radios used vacuum tubes to amplify sound."
"The vacuum tube must be replaced if it burns out."
"The invention of the vacuum tube revolutionized the field of electronics."
"I found an old vacuum tube in my grandfather's basement."
