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anion

 

Definitions from WordNet

Noun anion has 1 sense
  1. anion - a negatively charged ion
    --1 is a kind of
    ion
    --1 has particulars: hydroxide ion, hydroxyl ion; superoxide, superoxide anion

Definitions from the Web

Anion

Definition:

  1. (Chemistry) A negatively charged ion which is attracted to the anode (positive electrode) in electrolysis.
  2. (Physics) A particle or atom that has gained one or more electrons, thus acquiring a negative electrical charge.

Sample Sentences:

  1. The chloride ion is an example of an anion.
  2. During the experiment, anions migrated towards the positive electrode.
  3. Anions are crucial in many chemical reactions and play a vital role in maintaining the electrical neutrality of compounds.

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