HyperDic: vacuum_tube

English > 1 sense of the expression vacuum tube:
NOUNartifactvacuum tube, tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valveelectronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
English > vacuum tube: 1 sense > noun 1, artifact
Meaningelectronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope.
Synonymstube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve
Part ofcircuit, electrical circuit, electric circuitAn electrical device that provides a path for electrical current to flow
PartsanodeA positively charged electrode by which electrons leave an electrical device
cathodeA negatively charged electrode that is the source of electrons entering an electrical device
electrodeA conductor used to make electrical contact with some part of a circuit
grid, control gridAn electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube
plateThe positively charged electrode in a vacuum tube
NarrowerX-ray tubeA vacuum tube containing a metal target onto which a beam of electrons is directed at high energy for the generation of X rays
acorn tubeA small vacuum tube
diode, rectifying tube, rectifying valveA thermionic tube having two electrodes
electron multiplierA vacuum tube that amplifies a flow of electrons
gas-discharge tubeA tube in which an electric discharge takes place through a gas
klystronAn electron tube used to generate or amplify electromagnetic radiation in the microwave region by velocity modulation
magnetronA diode vacuum tube in which the flow of electrons from a central cathode to a cylindrical anode is controlled by crossed magnetic and electric fields
pentodeA thermionic tube having five electrodes
television-camera tube, television pickup tubeA tube that rapidly scans an optical image and converts it into electronic signals
tetrodeA thermionic tube having four electrodes
triodeA thermionic vacuum tube having three electrodes
Broaderelectronic deviceA device that accomplishes its purpose electronically
Spanishtubo, válvula termoiónica
Catalantub de buit, vàlvula de buit, vàlvula

©2001-22 · HyperDic hyper-dictionary · Contact

English | Spanish | Catalan
Privacy | Robots

Valid XHTML 1.0 Strict