anion

noun
an·​ion | \ ˈa-ˌnī-ən How to pronounce anion (audio) \

Definition of anion

: the ion in an electrolyzed solution that migrates to the anode broadly : a negatively charged ion

Examples of anion in a Sentence

Recent Examples on the Web These are all meant to conduct metals, isotopic elemental, and anion analyses while determining physical and chemical properties. Tim Newcomb, Popular Mechanics, "The Long Fight to Clean Up America’s Cold War Nuclear Waste," 10 Dec. 2019 The former converts to H2, and the latter travels through the membrane, known as an anion exchange membrane (AEM). Robert F. Service, Science | AAAS, "Next generation water splitter could help renewables power the globe," 10 Mar. 2020 Being an anion, meanwhile, means that the sulfidic molecules have negative charges. David Grossman, Popular Mechanics, "Sulfuric Volcanoes May Have Quickened Life on Earth," 9 Apr. 2018 These carbon chain anions are akin to Legos that can be pieced together into larger molecules, reports Meghan Bartels for Mic. Ben Panko, Smithsonian, "Potential Ingredients for Life Found on Saturn’s Moon Titan," 31 July 2017 This molecule, called a carbon chain anion, appears to be a catalyst for complicated chemical reactions, said lead author Ravi Desai. OrlandoSentinel.com, "This weird moon of Saturn has some essential ingredients for life," 9 Aug. 2017 This molecule, called a carbon chain anion, appears to be a catalyst for complicated chemical reactions, said lead author Ravi Desai. OrlandoSentinel.com, "This weird moon of Saturn has some essential ingredients for life," 9 Aug. 2017 This molecule, called a carbon chain anion, appears to be a catalyst for complicated chemical reactions, said lead author Ravi Desai. Sarah Kaplan, chicagotribune.com, "Saturn moon contains some essential ingredients for life," 8 Aug. 2017 These carbon chain anions are akin to Legos that can be pieced together into larger molecules, reports Meghan Bartels for Mic. Ben Panko, Smithsonian, "Potential Ingredients for Life Found on Saturn’s Moon Titan," 28 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'anion.' 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 anion

1834, in the meaning defined above

History and Etymology for anion

Greek, neuter of aniōn, present participle of anienai to go up, from ana- + ienai to go — more at issue entry 1

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Time Traveler for anion

Time Traveler

The first known use of anion was in 1834

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Statistics for anion

Last Updated

13 May 2020

Cite this Entry

“Anion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anion. Accessed 26 May. 2020.

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More Definitions for anion

anion

noun
an·​ion | \ ˈan-ˌī-ən How to pronounce anion (audio) \

Medical Definition of anion

: the ion in an electrolyzed solution that migrates to the anode broadly : a negatively charged ion

More from Merriam-Webster on anion

Rhyming Dictionary: Words that rhyme with anion

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