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-ition

American  

  1. a compound suffix of nouns, being -tion with a preceding original or formative vowel, or, in other words, a combination of -ite and -ion.

    expedition; extradition.

Etymology

Origin of -ition

< Latin -itiōn- or -ītiōn-, stem of -itiō or -ītiō. See -ite 2, -ion

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.