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op

[op]
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noun
  1. op art.

OP

or O.P.

  1. observation post.

op.

  1. opera.
  2. operation.
  3. opposite.
  4. opus.

Op.

  1. opus.

op-

  1. variant of ob- (by assimilation) before p: oppose.

o.p.

  1. out of print.

O.P.1

  1. Order of Preachers (Dominican).

Origin of O.P.1

From the Latin word Ōrdō Praedicātōrum

O.P.2

  1. observation post.
  2. British Theater. opposite prompt.
  3. out of print.
  4. overproof.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for op

Contemporary Examples

Historical Examples

  • "You 'op on top, an' I'll tell you where to git off," the 'bus conductor said, and John did as he was bid.

    The Foolish Lovers

    St. John G. Ervine

  • For the history of this quarrel, and for other details of the award see Wallace, op.

    Shakespearean Playhouses</p>

    Joseph Quincy Adams

  • Backed by all the force of the Prime and Op fields and the full power of the engines.

    The Galaxy Primes

    Edward Elmer Smith

  • For the effect of the West intellectually and spiritually, see Vambéry, op.

    The New World of Islam

    Lothrop Stoddard

  • Footnote 353: For the determination of these localities see Bunbury, op.


British Dictionary definitions for op

OP

abbreviation for
  1. military observation post
  2. Ordo Praedicatorum (the Dominicans)
  3. organophosphate

Word Origin

(for sense 2) Latin: Order of Preachers

op.

abbreviation for
  1. operation
  2. opus
  3. operator
  4. operational

o.p.

O.P.

abbreviation for
  1. out of print
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 op

op-

assimilated form of ob- before -p-.

Online Etymology Dictionary, © 2010 Douglas Harper

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