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 The authors describe numerous zinc-ion chemistries, mostly involving a zinc anode and a manganese oxide cathode or a silver cathode. IEEE Spectrum, 5 Apr. 2024 The Company will continue to explore graphite opportunities that show the potential to produce the specific flake size and purity required for active anodes. Miami Herald, 3 Apr. 2024 Then when the eye starts to blink, the tear electrolytes meet the magnesium anode, causing an oxidation reaction and the generation of electrons. IEEE Spectrum, 1 Apr. 2024 Its silicon anode batteries are already used in electric motorbikes. Carlton Reid, WIRED, 12 Dec. 2023 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

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 21 May. 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!