OP

OP

OP, O.P., or Op may refer to any of the following:

  • Observation post, a position from which soldiers can watch enemy movements
  • Ocean Pacific, a retail company based in California, United States
  • Orange pekoe, a term used in the Western tea trade to describe a particular grade of black teas
  • Orange peel, the outer layer of an orange fruit
  • Ordo Praedicatorum, commonly known as the Dominican Order, a Catholic religious order
  • Operating Procedure, a standardised working protocol
  • Operating Profit, a measure of business profitability
  • Out of print, a status of a book title at a publishing house
  • op, a slang term for marijuana grow operation
  • op, Open pollination
Mathematics
  • Operator (mathematics), a mapping from one vector space or module to another
  • Op (statistics), a symbol used in probability mathematics
  • Octagonal prism, a prism formed by square sides and two regular octagon caps
Culture
  • Op art, also known as optical art, a style of visual art that makes use of optical illusions
  • Op-ed, a newspaper opinion piece of a writer unaffiliated with the editorial board
  • Opposite prompt, the right side of a theatre stage
  • Op., an abbreviation for Opus number, used to denote one work of musical composition from many
  • Op. cit., an abbreviation for the Latin term opus citatum est, meaning "the work has been cited"
  • Optimus Prime (Transformers), a character from the Transformers franchise
  • One Piece, a Japanese manga and anime created by Eiichiro Oda
  • a shortening for Opening credits, more often used in anime by fans
Computing
  • Original poster, a term used on online forums to denote the first poster
  • Overpowered, a term used to note that a particular aspect or character in a game is unbalanced and thereby too strong.
  • Overpriced, a term used mostly on online games to note about an item that is being marketed for a price higher than normal
  • a channel operator on an Internet Relay Chat
Education
  • Oratory Preparatory School, a Catholic preparatory day school for boys in New Jersey, United States
  • Overall Position, the grade appointed to Queensland high-school graduates
  • Old Persean, an ex-pupil of the Perse School, Cambridge, England
  • Old Pauline, an ex-pupil of St Paul's School, London
  • Old Pangbournian, an ex pupil of Pangbourne College
Geography
Science and medicine
  • the Oropharyngeal airway, leading from the mouth to the pharynx
  • Organophosphate, the general name for esters of phosphoric acid
  • Osteitis pubis, a medical condition which is prevalent among players of Australian rules football
  • Osteoporosis, a degenerative disease of the bones that leads to an increased risk of fracture
  • a short-hand slang term for a surgical operation

See also

  • OPS (disambiguation)

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