• A noun suffix denoting act, process, result of an act or aprocess, thing acted upon, state, or condition; as, revolution, theact or process of revolving; construction, the act or process ofconstructing; a thing constructed; dominion, territory ruled over;subjection, state of being subject; dejection; abstraction.


    -ion meaning & definition 1 of -ion.


  • an atom or small group of atoms that has an electrical charge because it has added or lost one or more electrons

    -ion meaning & definition 2 of -ion.

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This page shows you usage and meanings of -ion around the world.