- vacuum tube
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An electrical device containing a heated filament inside an evacuated container (generally a glass tube) and used to produce rectification (a diode vacuum tube), amplification or other functions.
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vacuum tube
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Vacuum tube — Vacuum Vac u*um, n.; pl. E. {Vacuums}, L. {Vacua}. [L., fr. vacuus empty. See {Vacuous}.] 1. (Physics) A space entirely devoid of matter (called also, by way of distinction, absolute vacuum); hence, in a more general sense, a space, as the… … The Collaborative International Dictionary of English
vacuum tube — n an electronic device in which conduction by electrons takes place through a vacuum within a sealed glass or metal container and which has various uses based on the controlled flow of electrons * * * a glass tube from which the air has been… … Medical dictionary
vacuum tube — ► NOUN ▪ a sealed glass tube containing a near vacuum which allows the free passage of electric current … English terms dictionary
vacuum tube — n. an electron tube from which the air has been evacuated to the highest possible degree … English World dictionary
Vacuum Tube — [engl.], Vakuumröhre … Universal-Lexikon
vacuum tube — vacuum .tube n AmE a ↑valve … Dictionary of contemporary English
Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… … Wikipedia
vacuum tube — 1. Also called, esp. Brit., vacuum valve. an electron tube from which almost all air or gas has been evacuated: formerly used extensively in radio and electronics. 2. a sealed glass tube with electrodes and a partial vacuum or a highly rarefied… … Universalium
vacuum tube — noun electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope • Syn: ↑tube, ↑thermionic vacuum tube, ↑thermionic tube, ↑electron tube, ↑thermionic valve • Hypernyms: ↑electronic device … Useful english dictionary
vacuum tube — vakuuminė lempa statusas T sritis fizika atitikmenys: angl. vacuum lamp; vacuum tube; vacuum valve vok. Vakuumlampe, f; Vakuumröhre, f rus. вакуумная лампа, f pranc. lampe à vide, f; tube à vide, m … Fizikos terminų žodynas
vacuum tube — elektroninė lempa statusas T sritis automatika atitikmenys: angl. electronic tube; electronic valve; vacuum tube; valve vok. Elektronenröhre, f; Vakuumröhre, f rus. радиолампа, f; электронная лампа, f pranc. tube à vide, m; tube électronique, m … Automatikos terminų žodynas
