tm cathode
1cathode — [ 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 ( …
2Cathode ray — Cathode rays (also called an electron beam or e beam) are streams of electrons observed in vacuum tubes, i.e. evacuated glass tubes that are equipped with at least two electrodes, a cathode (negative electrode) and an anode (positive electrode)… …
3Cathode Froide — PC modifié intégrant un éclairage à cathode froide. Le terme de cathode froide est employé pour les tubes électroniques lorsque la cathode n est pas chauffée. Dans ce genre de tubes ce n est pas l effet thermoïonique qui est utilisé pour… …
4cathode rays — plural noun Streams of negatively charged particles (electrons) proceeding from the cathode of a vacuum tube • • • Main Entry: ↑cathode * * * cathode rays, the invisible streams of electrons from the cathode in a vacuum tube. When cathode rays… …
5cathode ray tube — UK US noun [countable] [singular cathode ray tube plural cathode ray tubes] physics a piece of equipment in televisions and some computers that creates the image on the screen. A beam of high energy …
6Cathode — 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… …
7Cathode ray — 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 …
8cathode rays — n. streams of electrons projected from the surface of a cathode: cathode rays produce X rays when they strike solids * * * …
9cathode — 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;… …
10cathode rays — n. streams of electrons projected from the surface of a cathode: cathode rays produce X rays when they strike solids …
