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BNC: 27048 COCA: 25076

cathode

cathode /ˈkæˌθoʊd/ noun
plural cathodes
cathode
/ˈkæˌθoʊd/
noun
plural cathodes
Learner's definition of CATHODE
[count] technical
: the part of an electrical device (such as a battery) where electrons enter阴极;负极 compare anode
BNC: 27048 COCA: 25076

cathode

noun

cath·​ode ˈka-ˌthōd How to pronounce cathode (audio)
1
: the electrode of an electrochemical cell at which reduction occurs:
a
: the negative terminal of an electrolytic cell
b
: the positive terminal of a galvanic cell
2
: the electron-emitting electrode of an electron tube
broadly : the negative electrode of a diode compare anode
cathodal adjective
cathodally adverb
cathodic adjective
cathodically adverb

Example Sentences

Recent Examples on the Web If the anode-to-cathode distance is too great, then the battery cell will not be as effective as needed in storing energy. Arungalai Anbarasu, Forbes, 24 Sep. 2021 Anodes are one of the four main elements of a battery, along with the cathode, separator material and electrolyte. Alan Ohnsman, Forbes, 17 May 2022 In general, batteries have an anode, a cathode, and an electrolyte. Caroline Delbert, Popular Mechanics, 11 May 2022 General Motors has signed deals to secure lithium in southern California, cathode materials in Canada and Korea, and cobalt in Australia. Wired, 17 Aug. 2022 After trying hundreds of formulations for the different components, the scientists settled on a graphite ink to make the cathode, a zinc ink for the anode and salt-infused paper to create the electrolyte. Anna Blaustein, Scientific American, 29 July 2022 The company also claims to be one of China’s largest producers of lithium metal, and its second-largest producer of nickel cathode, which can be used to make batteries, stainless steel and other goods. New York Times, 20 June 2022 The boat served as the cathode, which completes the circuit and dictates the flow of the current. Peter Krouse, cleveland, 13 May 2022 The new binding supply agreements are: LG Chem will supply GM with 968,000 tons of cathode material between now and 2030, enough to build 5 million EVs. Jamie L. Lareau, Detroit Free Press, 26 July 2022 See More

Word History

Etymology

Greek kathodos way down, from kata- + hodos way

First Known Use

1834, in the meaning defined at sense 1

Time Traveler
The first known use of cathode was in 1834
BNC: 27048 COCA: 25076

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