OP

Look up OP, op, or op. in Wiktionary, the free dictionary.

OP or Op may refer to:

• Op-ed
• Op art
• Observation post
• Operator
• Orange Pekoe
• Orange peel, the rind of Orange (fruit)
• Ocean Pacific

• Opposite prompt, the right side of a stage
• Opus number (usually classical music)
• One Piece, a Japanese manga and anime created by Eiichiro Oda
• Opening song for an anime
• Optimus Prime
• Ordo Praedicatorum ("Order of Preachers"), the official name of the Dominican Order; Dominicans often use the letters "O.P." after their names to indicate membership.

• Overpowered, internet slang referring to poor game balance.
• A channel operator on IRC
• Original Post or Original Poster, the first post (or posting) on a topic on a blog or forum, often containing the original question or topic of discussion.
• OpenID Provider
• Overlord Protocol

• Oratory Preparatory School
• Overall Position, the grade appointed to Queensland high-school graduates

• Oak Park, Illinois, a western suburb of Chicago
• Overland Park, Kansas, a city in the Kansas City Metropolitan Area
• Orland Park, Illinois, a city south of Chicago
• Orchard Park, New York, a town south of Buffalo, New York

• Short-hand slang for a surgical operation
• Oropharyngeal airway
• Organophosphate (poisoning)
• Osteitis pubis, commonly called OP in Australia
• Osteoporosis

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