anion
[ an-ahy-uhn ]
/ ˈænˌaɪ ən /
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noun Physical Chemistry.
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
OTHER WORDS FROM anion
an·i·on·ic [an-ahy-on-ik], /ˌæn aɪˈɒn ɪk/, adjectivean·i·on·i·cal·ly, adverbDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for anion
anion
/ (ˈænˌaɪən) /
noun
a negatively charged ion; an ion that is attracted to the anode during electrolysisCompare cation
Derived forms of anion
anionic (ˌænaɪˈɒnɪk), adjectiveWord Origin for anion
C19: from ana- + ion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Medical definitions for anion
anion
[ ăn′ī′ən ]
n.
A negatively charged ion, especially one that migrates to the anode in electrolysis.
Other words from anion
an′i•on′ic (-ŏn′ĭk) adj.The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for anion
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.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.