anion
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.an·ion
noun \ˈa-ˌnī-ən\Definition of ANION
: the ion in an electrolyzed solution that migrates to the anode; broadly : a negatively charged ion
See Origin of ANION
Greek, neuter of aniōn, present participle of anienai to go up, from ana- + ienai to go — more at issue
First Known Use: 1834
an·ion
noun \ˈan-ˌī-ən\ (Medical Dictionary)Medical Definition of ANION
: the ion in an electrolyzed solution that migrates to the anode; broadly : a negatively charged ion
anion
noun (Concise Encyclopedia)Atom or group of atoms carrying a negative electric charge, indicated by a superscript minus sign after the chemical symbol. Anions in a liquid subjected to an electric field migrate toward the positive electrode (anode). Examples include hydroxyl (OH; see hydroxide), carbonate (CO2), and phosphate (PO3). See also ion; compare cation.
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