anion
noun
an·ion ˈa-ˌnī-ən 
: the ion in an electrolyzed solution that migrates to the anode
broadly : a negatively charged ion
Example Sentences
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, 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, 10 Mar. 2020 Being an anion, meanwhile, means that the sulfidic molecules have negative charges. David Grossman, Popular Mechanics, 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, 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, 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, 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, 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, 28 July 2017 See More
Tim Newcomb, Popular Mechanics, 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, 10 Mar. 2020 Being an anion, meanwhile, means that the sulfidic molecules have negative charges. David Grossman, Popular Mechanics, 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, 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, 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, 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, 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, 28 July 2017 See More Word History
Etymology
Greek, neuter of aniōn, present participle of anienai to go up, from ana- + ienai to go — more at issue entry 1
First Known Use
1834, in the meaning defined above
Medical Definition
anion
noun
an·ion ˈan-ˌī-ən
: the ion in an electrolyzed solution that migrates to the anode
broadly : a negatively charged ion