Definitions For Op

Abbreviation

observation post

Acronym

Original Poster
Opinion
Operator (IRC)
Opus (Latin: A Work; used in referring to music)
Operation/Operational
Original Poster (internet newsgroups and message boards)
Other People
One Piece (Anime)
Ocean Pacific
Opera
Out of Print
Output
Office of the President
Opportunity (Ads)
Optical
Output (Hyper Logo command)
Office Professional
Oak Park (Illinois)
Opposite (volleyball position)
Output Power
Organized Play (gaming)
Outpost (gaming)
Operating Profit
Order of Preachers (Roman Catholicism; Dominican)
Overland Park (Kansas)
Old Patient
Oral Presentation
Outpatient
Osteoporosis
Off-Peak (time)
Operating Procedure(s)
Overpowered (gaming)
Opening Post (internet message boards)
Order Processing
Outreach Program
One Power (Wheel of Time series)
Olympic Peninsula (Washington)
Office of Policy (Social Security)
Optimus Prime (Leader of the Autobots, icon of the 80s)
Operating Pressure
Operator Panel
Oil Pulling
Opposing Party (legal notation and billing)
Observation Point
Organophosphate (insecticide)
Office Productivity (course)
Optical Power
Orifice Plate (flowmeters)
Order of Precedence
Observation Post
Osuuspankki (Finnish banking cooperative)
Operationssaal (German: Operating Room)
Original Production
Open Pollinated (botany)
Organophosphorus (pesticide)
Old Persian (linguistics)
Oropharynx (anatomy)
Osmotic Pressure
Operation Phoenix (San Bernadino, CA after school program)
Operating Plan
Overly Powerful
Oxidative Phosphorylation
Opportunities Page (CECOM)
Operational Priority (US Navy)
Offensive Power (online gaming)
Operations Order
Ordinis Praedicatorum (Latin: Order of Preachers)
Ordo Praedicatorum (Latin: Order of Preachers; formal name of Dominicans, a Catholic religious institution)
Orthographic Projection
Over Powered (gaming)
Operations Procedures
Ordnance Personnel (US Navy)
Oxygen Pressure
Outpatient Pharmacy
Operational Program
Other Procurement
Original Pack (pharmacology)
Order Point
Operation Officer (Navy)
Occiput Posterior (fetal position)
Oil Purifier
Operational Picture
Order of the Pelican (Society for Creative Anachronism)
Osteitis Pubis
Operation Point
Opponens Pollicis
Ouvrier Professionnel (French: Professional Worker)
Optional Procedure
Oral Production (test)
Occupation Permit (Hong Kong)
Operations Panel
Olden Polynice (basketball player)
Originating Party
Oligodendrocyte Progenitor
Over-Proof (of alcohol)
Operation Register
Opacity Project
Oral Participation
Outsource Philippines
Optimal Partitioning (sectorization method)
Orbit Prediction
Operator Personal
Operator-Promoter
Orbiter Payload
Orienteering Problem
Ordnance Pamphlet
Ohjelmointiputka (Finnish programming site)
Outpicked (gaming)
Ordnance Publication
Operational Phase/Project
Opponents Pollicis
Dominican Sisters of Divine Providence (religious order)
Overnight Per Diem
Overlap Pulsing