OP
OP or Op may refer to: == Arts and entertainment == One Piece, a 1997 Japanese manga and anime OP, an abbreviated term for opening theme songs in anime Opposite prompt, a stage right prompt corner on a theatre stage Optimus Prime, a character from the Transformers franchise Op., short for opus number, used to denote one work of musical composition from many Original pronunciation, the phonology of Early Modern English, as used in William Shakespeare's time, specifically when used to perform his works in modern times. Out of print, a status of a book title at a publishing house == Businesses and organizations == Operational planning, the process of planning short term measures in a company OP Financial Group, a Finnish company Oborový podnik ("specialized business"), a bygone Czechoslovak state designation for a business entity Ocean Pacific, a retail clothing company Oratory Preparatory School, in New Jersey, United States Order of Preachers (Latin: Ordo Praedicatorum, Dominican Order) a Catholic religious order Odisha Police, police patrol in Odisha, India Publications Office of the European Union (French: Office des publications de l'Union européenne), interinstitutional body of the European Union Open Philanthropy, research and grant making foundation == Computing == Original post (or poster), the opening entry (or author thereof) in a thread or discussion in an internet forum Overpowered (game balance), in video games, when a particular aspect or character is lacking game balance Op, an abbreviated form of operator, or sysop, a user with administrative rights in multi-user computer systems Over-provisioning, a phenomenon associated with solid state storage; see Write amplification § Over-provisioning == Mathematics == Op (statistics), a symbol used in probability mathematics Octagonal prism == Places == Orchard Park, New York Overland Park, Kansas == Other uses == Observation post, a position from which soldiers can watch enemy movements Old Pauline, the term for a former pupil of St Paul's School, London Old Peterite, the term for a former pupil of St Peter's School, York Orange Pekoe, a grade of black tea Organophosphate, the general name for esters of phosphoric acid Overall Position, the grade appointed to Queensland high-school graduates O.P. Anderson, a Swedish spirit of the aquavit type Opportunity point, a tennis term for an opportunity to potentially break serve when the score is 15–30 == See also == Op-amp, short for operational amplifier Op-ed, a newspaper opinion piece Operation (disambiguation) Operator (disambiguation) OPS (disambiguation) Ops (disambiguation) Op.