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  1. a suffix occurring in words of Latin origin, used to form abstract nouns from verbs or stems not identical with verbs, whether as expressing action (revolution; commendation), or a state (contrition; starvation), or associated meanings (relation; temptation).
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Origin of -tion

< Latin -tiōn- (stem of -tiō), equivalent to -t(us) past participle suffix + -iōn- -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for tion

Historical Examples

  • Abroga′tion, the repealing of a law by a competent authority.

    The New Gresham Encyclopedia. Vol. 1 Part 1


  • Absolu′tion, remission of a penitent's sins in the name of God.

  • Now zere are in ze English two souzand words ending in 'tion.'

    General Bramble

    Andr Maurois

  • Have you ever heard a speaker who gave you the impression that all his words ended in tion?

    Public Speaking

    Clarence Stratton

  • Mi tute ne scias (tion), kion vi volas diri, se ne (estas), ke vi bezonas monon.

British Dictionary definitions for tion


suffix forming nouns
  1. indicating state, condition, action, process, or resultelection; prohibition Compare -ation, -ion
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Word Origin

from Old French, from Latin -tiō, -tiōn-
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for tion


syllable formed when the word-forming element -ion (from Latin -io) is fixed to a base or to another suffix ending in -t or -te.

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Online Etymology Dictionary, © 2010 Douglas Harper