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1 valvola termoionica
"thermionic valve, thremionic tube;Röhre;valvula (elet.-radio)" -
2 valvola
f valveelectronics fusevalvola dell'aria air valve* * *valvola s.f.1 (mecc.) valve: valvola a cerniera, flap valve (o flapper); valvola a due vie, two-way valve; valvola a farfalla, butterfly valve, ( di carburatore) throttle valve; valvola a fodero, sleeve valve: valvola a saracinesca, gate (o sluice) valve; valvola a sfera, ball valve; valvola della camera d'aria, inner tube valve; valvola di ammissione, inlet valve; valvola di aspirazione, intake valve; valvola di scarico, exhaust valve; valvola di sicurezza, safety valve; lo sport è la sua valvola di sfogo, (fig.) sport is his outlet (o safety valve)2 (elettr.) valve, tube: valvola elettronica, termoionica, electron, thermionic valve; apparecchio a sei valvole, six-valve set; valvola fusibile, fuse; è saltata una valvola, a fuse has blown* * *['valvola]sostantivo femminile1) mecc. valve2) el. fuse3) (di radio, TV) valve BE, electron tube AE4) anat. valve•valvola a farfalla — mecc. butterly valve, throttle (valve)
valvola di scarico — mecc. escape o exhaust o outlet valve; fig. safety valve
valvola di sfogo — mecc. snifting valve; fig. safety valve
valvola di sicurezza — mecc. safety o relief valve
* * *valvola/'valvola/sostantivo f.1 mecc. valve2 el. fuse; sono saltate le -e the fuses have blown4 anat. valvevalvola a farfalla mecc. butterly valve, throttle (valve); valvola di scarico mecc. escape o exhaust o outlet valve; fig. safety valve; valvola di sfogo mecc. snifting valve; fig. safety valve; valvola di sicurezza mecc. safety o relief valve. -
3 termoionico
См. также в других словарях:
thermionic valve — noun electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope • Syn: ↑tube, ↑vacuum tube, ↑thermionic vacuum tube, ↑thermionic tube, ↑electron tube • Hypernyms: ↑electronic device … Useful english dictionary
thermionic valve — (US thermionic tube) noun Electronics a vacuum tube giving a flow of thermionic electrons in one direction, used especially in the rectification of a current and in radio reception … English new terms dictionary
thermionic valve — /θɜmiˌɒnɪk ˈvælv/ (say thermee.onik valv) noun a radio valve which contains a heated cathode …
thermionic valve — Brit. See vacuum tube. [1915 20] * * * … Universalium
thermionic tube — n. an electron tube having a cathode electrically heated in order to cause electron or ion emission: Also [Brit., etc.] Brit. thermionic valve … English World dictionary
thermionic tube — noun electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope • Syn: ↑tube, ↑vacuum tube, ↑thermionic vacuum tube, ↑electron tube, ↑thermionic valve • Hypernyms: ↑electronic device … Useful english dictionary
thermionic vacuum tube — noun electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope • Syn: ↑tube, ↑vacuum tube, ↑thermionic tube, ↑electron tube, ↑thermionic valve • Hypernyms: ↑electronic device … Useful english dictionary
Valve amplifier — A valve amplifier or tube amplifier is a type of electronic amplifier that make use of vacuum tubes instead of solid state semiconductor devices (such as transistors). As any other electronic amplifier they serve to increase the power and/or… … Wikipedia
thermionic — adj. of or relating to electrons emitted from a substance at very high temperature. Phrases and idioms: thermionic emission the emission of electrons from a heated source. thermionic valve (US tube) a device giving a flow of thermionic electrons… … Useful english dictionary
Valve (disambiguation) — A valve is a device that regulates the flow of fluids.Valve may also refer to: * Valve Corporation, a computer software/games company responsible for the best selling Half Life games * Valve hall, a building which contains the valves of the… … Wikipedia
thermionic — adjective concerning the emission of electrons from a heated electrode See Also: thermion, thermionic valve … Wiktionary
