Meaning & use
Anions
Last updated
Negatively charged ions, which are atoms or molecules that have gained one or more electrons.
See it in a sentence
In the electrolysis experiment, anions migrated toward the positive electrode, or anode.
Chloride and hydroxide are common anions found in household chemistry.
A note on using this word
The term was coined by physicist Michael Faraday from the Greek ana- ('up') and ion ('going'), describing the ion's movement toward the anode.
Words with an opposite meaning
cations
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