A chlorine-containing ion or anion, especially the chloride ion (Cl⁻) in aqueous solution.
From chlor- (chlorine) + -ion (Greek suffix for particle or charged atom), combining the chemical element name with the particle terminology used in ionized solutions.
The chlorion might sound exotic, but you're surrounded by them—table salt is actually sodium chlorions bonded to sodium cations, making this ancient Greek-derived chemical term describe something we eat every day.
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