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A negatively charged ion, especially the ion that migrates to an anode in electrolysis.
[From Greek, neuter present participle of anienai, to go up : ana-, ana- + ienai, to go; see ei- in Indo-European roots.]
an′i·on′ic (-ŏn′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Chemistry) a negatively charged ion; an ion that is attracted to the anode during electrolysis. Compare cation
[C19: from ana- + ion]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. a negatively charged ion that is attracted to the anode in electrolysis.
2. any negatively charged ion (opposed to cation).
[1825–35; < Greek, neuter of aniṓn, present participle of aniénai to go up]
an`i•on′ic (-ˈɒn ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
An ion that has a negative charge. Hydroxide and chloride ions are anions. Compare cation.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
An ion that carries a negative charge, especially one migrating to an anode during electrolysis.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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|Noun||1.||anion - a negatively charged ion|
ion - a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.