Dictionary

-ion

noun suffix

: act or process

: result of an act or process

: state or condition

Full Definition of -ION

1
a :  act or process <validation>
b :  result of an act or process <regulation>
2
:  state or condition <hydration>
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Origin of -ION

French -ion, from Latin -ion-, -io
-ION Defined for Kids

-ion

noun suffix

Definition of -ION for Kids

1
:  act or process <construction>
2
:  result of an act or process <regulation> <eruption>
3
:  state or condition <perfection>
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