cathode — [ katɔd ] n. f. • 1838; formé en angl. par Faraday d apr. le gr. kata « en bas » et hodos « chemin » ♦ Sc. Électrode négative (opposé à anode, anticathode).⇒ électrolyse. Pôle d une pile d une batterie chargé positivement. ● cathode nom féminin ( … Encyclopédie Universelle
Cathode — Cath ode, n. [Gr. ? descent; ? down + ? way.] (Physics) The part of a voltaic battery by which the electric current leaves substances through which it passes, or the surface at which the electric current passes out of the electrolyte; the… … The Collaborative International Dictionary of English
cathode — 1834, from Gk. kathodos a way down, from kata down + hodos way (see CEDE (Cf. cede)). So called from the path the electric current was supposed to take. Related: Cathodic. Cathode ray first attested 1880, but the phenomenon known from 1859;… … Etymology dictionary
Cathode — Cathode. См. Катод. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) … Словарь металлургических терминов
cathode — ► NOUN ▪ a negatively charged electrode. The opposite of ANODE(Cf. ↑anode). ORIGIN Greek kathodos way down … English terms dictionary
cathode — [kath′ōd΄] n. [coined by FARADAY Michael < Gr kathodos, descent < kata , down + ODE1] 1. in an electroplating cell, the negatively charged electrode, from which current flows 2. in an electron tube, the negatively charged electron emitter 3 … English World dictionary
Cathode — Diagram of a copper cathode in a galvanic cell (e.g., a battery). A positive current i flows out of the cathode (CCD mnemonic: Cathode Current Departs). A cathode is an electrode through which electric current flows out of a polarized electrical… … Wikipedia
Cathode — Sur les autres projets Wikimedia : « Cathode », sur le Wiktionnaire (dictionnaire universel) La cathode[1] d un appareil passif parcouru par un courant continu est l électrode d où, en courant conventionnel, sort le courant (en… … Wikipédia en Français
cathode — /kath ohd/, n. 1. the electrode or terminal by which current leaves an electrolytic cell, voltaic cell, battery, etc. 2. the positive terminal of a voltaic cell or battery. 3. the negative terminal, electrode, or element of an electron tube or… … Universalium
cathode — n. negative terminal; electrode by which current leaves. ♦ cathode particle, electron. ♦ cathode ray, stream of electrons from cathode to anode in discharge tube; ♦ cathode ray tube, vacuum tube in television receiver on fluorescent… … Dictionary of difficult words
cathode — n. (also kathode) Electr. 1 the negative electrode in an electrolytic cell or electronic valve or tube. 2 the positive terminal of a primary cell such as a battery (opp. ANODE). Phrases and idioms: cathode ray a beam of electrons emitted from the … Useful english dictionary
