anion
[an-ahy-uh n]
- a negatively charged ion, as one attracted to the anode in electrolysis.
- any negatively charged atom or group of atoms (opposed to cation).
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Origin of anion
1825–35; < Greek, neuter of aniṓn going up (present participle of aniénai to go up), equivalent to an- an-3 + -i- go + -ōn present participle suffix
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
anion
- a negatively charged ion; an ion that is attracted to the anode during electrolysisCompare cation
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Word Origin
C19: from ana- + ion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for anionic
anion
n.
"a negatively charged ion, which moves toward the anode (q.v.) during electrolysis," 1834, proposed by the Rev. William Whewell (1794-1866), English polymath, and published by English physicist Michael Faraday, from Greek anion "(thing) going up," neuter past participle of anienai "go up," from ana "up" (see ana-) + ienai "go" (see ion).
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Online Etymology Dictionary, © 2010 Douglas Harper
anion
(ăn′ī′ən)- A negatively charged ion, especially one that migrates to the anode in electrolysis.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
anion
[ăn′ī′ən]
- An ion with net negative charge, having more electrons than protons. In electrolysis, anions migrate to a positively charged anode. Compare cation.
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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.