[oh-mish-uh n]
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Origin of omission

1350–1400; Middle English < Late Latin omissiōn- (stem of omissiō), equivalent to omiss(us) (past participle of omittere to let go; see omit) + -iōn- -ion; see mission
Related formsnon·o·mis·sion, nounpre·o·mis·sion, noun
Can be confusedcommission omission Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for omission


  1. something that has been omitted or neglected
  2. the act of omitting or the state of having been omitted
Derived Formsomissive, adjectiveomissiveness, noun

Word Origin for omission

C14: from Latin omissiō, from omittere to omit
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 omission

late 14c., from Latin omissionem (nominative omissio) "an omitting," noun of action from past participle stem of omittere (see omit). Related: Omissible.

Online Etymology Dictionary, © 2010 Douglas Harper