Толковый словарь английского языка - cathode
Cathode
cathode
noun Etymology: Greek kathodos way down, from kata+ hodos way Date: 1834 the electrode of an electrochemical cell at which reduction occurs:, the negative terminal of an electrolytic cell, the positive terminal of a galvanic cell, the electron-emitting electrode of an electron tube, cathodal adjective cathodally adverb cathodic adjective cathodically adverb
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1.
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 cathode of a high-vacuum tube. cathode-ray tube a high-vacuum tube in which cathode rays produce a luminous image on a fluorescent screen. Usage Abbr.: CRT. Derivatives cathodal adj. cathodic adj. Etymology: Gk kathodos descent f. kata down + hodos way ...Толковый словарь английского языка Oxford English Reference
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