noun

• The seventeenth letter of many Semitic alphabets/abjads (Phoenician, Aramaic, Hebrew פ, Syriac ܦ, and others; Arabic has the analog faa).
• The name of the Cyrillic script letter П / п.
• A surname.
• Initialism of Prince Edward Island. (A Canadian province) [A province in eastern Canada. Capital: Charlottetown.]
• (software) Initialism of Portable Edition (usually used for a software version).
• (software) Initialism of Preinstallation Environment.
• (software) Initialism of Portable Executable (executable file format used by modern versions of Microsoft Windows).
• Abbreviation of Pernambuco. (a state of Brazil). [A state of the Northeast Region, Brazil. Capital: Recife]
• (business) Initialism of professional engineer. [An engineer who holds a license granted by a regulatory body of engineering.]
• (education) Initialism of physical education. [An element of an educational curriculum concerned with bodily development, physical health and wellness, strength, physical co-ordination, and agility.]
• (education) Initialism of preliminary examination. [(education) An examination that usually qualifies a student to continue studies at a higher level.]
• (electronics) Initialism of protective earthing.
• (organic chemistry) Initialism of polyethylene. [(organic chemistry) A polymer consisting of many ethylene monomers bonded together; used for kitchenware, containers etc.]
• (organic chemistry) Initialism of polyether. [(organic chemistry) a polymer, such as an elastomer, in which carbon atoms of the repeating units are joined by a single oxygen atom]
• (pathology) Initialism of pulmonary embolism. [(pathology) The embolism or obstruction of a pulmonary artery, usually by a detached blood clot from a leg or pelvic vein, which causes a stoppage of blood into the lungs; symptoms include shortness of breath, chest pain, fainting, and sometimes death.]
• (medicine) Initialism of premature ejaculation. [A medical condition where a man, when initiating sexual intercourse, will experience an orgasm and expel semen after a time period far below the average, generally defined as one minute or less.]
• (finance) Initialism of private equity. [An investment fund that specializes in buying companies in order to restructure and then sell them with a profit.]
• (business, law) Initialism of permanent establishment.
• (obsolete) Alternative form of Pi. [(historical) A county of Chengdu, Sichuan, China.]