-ion

noun suffix

: act or process

: result of an act or process

: state or condition

Full Definition of -ION

a : act or process <validation>

b : result of an act or process <regulation>

: state or condition <hydration>

French -ion, from Latin -ion-, -io

-ION Defined for Kids

noun suffix

: act or process <construction>

: result of an act or process <regulation> <eruption>

: state or condition <perfection>

Next Word in the Dictionary: ion chamberPrevious Word in the Dictionary: IonAll Words Near: -ion

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