From Longman Dictionary of Contemporary Englishcathodecath‧ode /ˈkæθəʊd $ -θoʊd/ noun [countable] TEE technical the negative electrode, marked (−), from which an electric current leaves a piece of equipment such as a battery OPP anode
Examples from the Corpus
cathode• Indeed, much development work is required before cathode ray tube performance can be attained.• The palladium cathode was charged with dissolved hydrogen.• But it was Jen's cathode fame which burst into every restaurant, flashed into every club.• Thus, reduction takes place at the cathode. 3.• When oxygen diffuses into the buffer from a sample, it is reduced at the cathode.• On average, the electrons travel from the cathode to the anode.• Hence when a current is applied, the positively charged ions move toward the cathode carrying water molecules with them.Origin cathode (1800-1900) Greek kathodos “way down”, from kata- ( → CATACLYSM) + hodos “way” 