(computing) Abbreviation of codepage. (e.g. cp437, cp737, cp1253, etc.)
(informal) episode (of a TV serial, etc.)
Abbreviation of horsepower (unit of power)
(knitting) Abbreviation of loop.
Initialism of market price – written on menus instead of a price to mean the price charged depends on the price of supplies, which may vary.
(text messaging, Internet) Abbreviation of no problem.
no place (of publication)
(Internet slang) Alternative letter-case form of OP (“original post, original poster”).
(Internet slang, chiefly in the plural) Clipping of opinion.
(Internet) An operator on IRC, who can moderate the chat channel, ban users, etc.
(chiefly attributive) Ellipsis of op art.
(informal) An amateur radio operator.
(informal) Clipping of operation.
(informal) Clipping of operator.
(slang, among criminal gangs) Alternative form of opp (“opponent; opposition”).
(Australia, informal, intransitive) To shop at op shops.
(Australia, informal, transitive) To buy (something) from an op shop.
(transitive, Internet) To promote (an IRC user) to an operator.
(New Zealand) Any Maori village or settlement; a kainga.
(New Zealand, now historical) A fortified Maori settlement, especially of pre-European times.
(colloquial) Father, papa.
(colloquial) Grandpa, grandfather.
Abbreviation of percent.
Abbreviation of piece.
Abbreviation of postcard.
The name of the Cyrillic script letter П / п.
The seventeenth letter of many Semitic alphabets/abjads (Phoenician, Aramaic, Hebrew פ, Syriac ܦ, and others; Arabic has the analog faa).
(electronics) Initialism of power factor.
a notation used in transcripts to indicate that the transcriber does not know the spelling, usually of a name, and has spelled it as it was pronounced (Initialism of phonetically.)
(jargon, social media) Initialism of physical health.
Abbreviation of phot.
Misspelling of pH.
(typography) Not part of the usual font character set; especially, non-Roman type or symbols as opposed to standard alphanumeric Roman type.
(letterpress typography) Metal type that has been spilled, mixed together, or disordered.
(mathematics) An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.14159265358979323846264338327950; usually written π.