elec·​trode | \ i-ˈlek-ˌtrōd How to pronounce electrode (audio) \

Definition of electrode

1 : a conductor used to establish electrical contact with a nonmetallic part of a circuit
2 : an element in a semiconductor device (such as a transistor) that emits or collects electrons or holes or controls their movements

Examples of electrode in a Sentence

Recent Examples on the Web Still, Musk appears to be bullish on these electrode materials. Daniel Oberhaus, Wired, "How to Watch Tesla’s Battery Day Event—and What to Expect," 21 Sep. 2020 To achieve this, Tesla has improved its electrode coating, the process by which the two electrodes are made. James Frith, Bloomberg.com, "More Silicon, Less Cobalt Is Musk’s Recipe for Cheaper Batteries," 25 Sep. 2020 This eliminates several steps of the electrode manufacturing process and ends the use of toxic solvents. Timothy B. Lee, Ars Technica, "How Tesla plans to make batteries cheap enough for a $25,000 car," 23 Sep. 2020 Part of the production is dry coating the electrode. Roberto Baldwin, Car and Driver, "Tesla Battery Day: Tesla Promises $25,000 EV in Three Years," 22 Sep. 2020 Even worse, the tabs reduce the battery’s efficiency, because electric current must travel the full length of the electrode to reach each tab. Daniel Oberhaus, Wired, "Where Was the Battery at Tesla’s Battery Day?," 22 Sep. 2020 Experts also say the dry electrode process would improve battery performance, particularly charging speeds, by forming a stronger connection between elements of a battery cell. David Z. Morris, Fortune, "What Tesla’s Battery Day might reveal: Project Roadrunner, Model S Plaid, and more," 21 Sep. 2020 The simplest of these is probably to use an electrode that's lithium metal. John Timmer, Ars Technica, "Could “disordered rock salts” bring order to next-gen lithium batteries?," 4 Sep. 2020 Lithium atoms electroplate onto a copper electrode as the battery charges and then move back into a conventional lithium-nickel-manganese-cobalt cathode as charge depletes. Scott K. Johnson, Ars Technica, "Tesla research partnership progresses on new battery chemistry," 14 Aug. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'electrode.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of electrode

1833, in the meaning defined at sense 1

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Time Traveler for electrode

Time Traveler

The first known use of electrode was in 1833

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Last Updated

20 Oct 2020

Cite this Entry

“Electrode.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electrode. Accessed 24 Oct. 2020.

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More Definitions for electrode


How to pronounce electrode (audio)

English Language Learners Definition of electrode

: one of the two points through which electricity flows into or out of a battery or other device


elec·​trode | \ i-ˈlek-ˌtrōd How to pronounce electrode (audio) \

Kids Definition of electrode

: a conductor (as a metal or carbon) used to make electrical contact with a part of an electrical circuit that is not metallic


elec·​trode | \ i-ˈlek-ˌtrōd How to pronounce electrode (audio) \

Medical Definition of electrode

: a conductor used to establish electrical contact with a nonmetallic part of a circuit

More from Merriam-Webster on electrode

Nglish: Translation of electrode for Spanish Speakers

Britannica.com: Encyclopedia article about electrode

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