Anion Definition

ănīən
anions
noun
A negatively charged ion, especially the ion that migrates to an anode in electrolysis.
American Heritage
A negatively charged ion, esp. one that moves toward the anode during electrolysis.
Webster's New World

An negatively charged ion.

Wiktionary
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other
An ion with net negative charge, having more electrons than protons. In electrolysis, anions migrate to a positively charged anode.
American Heritage Science
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Other Word Forms of Anion

Noun

Singular:
anion
Plural:
anions

Origin of Anion

  • From Greek neuter present participle of anienai to go up ana- ana- ienai to go ei- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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anion