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Noun: op  óp
Usage: informal
  1. (surgery) a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body
    "they will schedule the op as soon as an operating room is available";
    - operation, surgery, surgical operation, surgical procedure, surgical process
  2. (military) activity by a military or naval force (as a manoeuvre or campaign)
    "it was a joint op of the navy and air force";
    - operation, military operation
Abbreviation: op. cit.
  1. Used in bibliographies to indicate that the source was previously referenced

Derived forms: ops

Type of: activity, medical procedure

Encyclopedia: Op