Definition of -ion in English:

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Pronunciation: /(ə)n/ Pronunciation: /ɪən/ Pronunciation: /jən/


1Forming nouns denoting the action of a verb or an instance of this: communion rebellion
1.1Denoting a resulting state or product: oblivion opinion


The suffix -ion is usually found preceded by s (-sion), t (-tion), or x (-xion).


Via French from Latin -ion-.

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