Anion: A negatively charged ion. Pronounced an-I-on.
An anion is as opposed to a cation, which is a positively charged ion.
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Library > Literature & Language > Dictionary ( ăn ' ī ' ən ) n. A negatively charged ion, especially the ion that migrates to an anode in electrolysis. [From Greek ...
Anion definition, as used in chemistry, chemical engineering, and physics.
noun Physical Chemistry . 1. a negatively charged ion, as one attracted to the anode in electrolysis. 2. any negatively charged atom or group of atoms ( opposed to ...
an·i·on (n n) n. A negatively charged ion, especially the ion that migrates to an anode in electrolysis. [From Greek, neuter present participle of anienai, to go up ...