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op

[op]
noun
  1. op art.
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OP

or O.P.

  1. observation post.
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op.

Op.

  1. opus.
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op-

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

  1. out of print.
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O.P.1

  1. Order of Preachers (Dominican).
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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.
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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

    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
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Word Origin

(for sense 2) Latin: Order of Preachers

op.

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

O.P.

abbreviation for
  1. out of print
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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-.

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Online Etymology Dictionary, © 2010 Douglas Harper