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oc-

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  1. variant of ob- (by assimilation) before c: occident.

Oc.

or oc.

  1. ocean.

O.C.

Philately.
  1. original cover.

o/c

  1. overcharge.

o.c.

  1. Architecture. on center. See center(def 30).
  2. in the work cited.

Origin of o.c.

From the Latin word opere citātō
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for oc

OC

abbreviation for
  1. Officer Commanding
  2. Officer of the Order of Canada

o/c

abbreviation for
  1. overcharge
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 oc

oc-

assimilated form of ob- before -c-.

Online Etymology Dictionary, © 2010 Douglas Harper