anode

noun

an·​ode ˈa-ˌnōd How to pronounce anode (audio)
1
: the electrode of an electrochemical cell at which oxidation occurs: such as
a
: the positive terminal of an electrolytic cell
b
: the negative terminal of a galvanic cell
2
: the electron-collecting electrode of an electron tube
broadly : the positive electrode of a diode compare cathode
anodic adjective
or less commonly anodal
anodically adverb
or less commonly anodally

Examples of anode in a Sentence

Recent Examples on the Web Regarding the smelly water, Jost said that is often caused by the anode rod in the water heater decaying and reacting with the water. Quinn Clark, Journal Sentinel, 19 Feb. 2024 Operating as the electrolyte in an all-solid-state cell configuration alongside a lithium cobalt oxide cathode and lithium metal anode, the new material has better energy density, power density, and cycle life compared with traditional liquid electrolytes. IEEE Spectrum, 15 Feb. 2024 This can cause chemical reactions that produce very sharp lithium needles called dendrites on the battery’s anode – the electrode with a negative charge. Apparao Rao, The Conversation, 6 Feb. 2024 China is currently responsible for nearly three-quarters of the world’s cathode production, 92% of anode production and 76% of lithium-ion battery cell production, Manchin wrote. Matthew Daly, Fortune, 1 Dec. 2023 Both of the anode and cathode sheets are black, but the cathode sheet is gloss, and the anode sheet is matte. Robin Warner, Ars Technica, 25 Jan. 2024 On cold charging conditions, the ions flow less efficiently through the anode and the battery's capacity diminishes. Javier Zarracina, USA TODAY, 18 Jan. 2024 The typical anode material for lithium-ion batteries is graphite, coated on copper foil. IEEE Spectrum, 31 Dec. 2023 Second, solid-state chemistries will enable battery makers to use lithium metal in the anode. IEEE Spectrum, 26 Jan. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'anode.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Greek anodos way up, from ana- + hodos way

First Known Use

1834, in the meaning defined at sense 1

Time Traveler
The first known use of anode was in 1834

Dictionary Entries Near anode

Cite this Entry

“Anode.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anode. Accessed 18 Mar. 2024.

Kids Definition

anode

noun
an·​ode ˈan-ˌōd How to pronounce anode (audio)
1
: the positive electrode of an electrolytic cell to which the negative ions are attracted compare cathode
2
: the negative terminal of a battery that is delivering electric current
3
: the electron-collecting electrode of an electron tube
anodic adjective

Medical Definition

anode

noun
an·​ode ˈan-ˌōd How to pronounce anode (audio)
1
: the electrode of an electrochemical cell at which oxidation occurs: as
a
: the positive terminal of an electrolytic cell
b
: the negative terminal of a storage battery that is delivering current
2
: the electron-collecting electrode of an electron tube compare cathode

More from Merriam-Webster on anode

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