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Pet (disambiguation)

Last updated October 25, 2025

A pet is an animal kept primarily for company, protection or entertainment.

Polyethylene terephthalate, a common plastic material in the polyester family
Paired-end tag, a short sequence at the end of a DNA fragment
Photoinduced electron transfer, a process of electron transfer under action of light
Pólya enumeration theorem, a mathematical theorem in enumerative combinatorics
Potential evapotranspiration, a measure of the atmospheric demand for water vapour from evaporation and transpiration
pET, a series of cloning expression vectors
Punctuated equilibrium Theory - evolutionary biology
Punctuated equilibrium in social theory

Commodore PET (Personal Electronic Transactor), a 1970s era personal computer
Personal Energy Transportation, a mobility device for disabled individuals
Privacy-enhancing technologies, a general term for a set of computer tools, applications and mechanisms

Politiets Efterretningstjeneste, the national intelligence security agency of Denmark
PET International, non-profit organization that promotes and supports Personal Energy Transportation
Pet, Inc., a former American producer of evaporated milk and other food products
Pet Airways, an American company specializing in the transportation of pets

Personal Electronic Thing, part of the player-computer persona communications system in the Starship Titanic video game
Personal Terminal (Mega Man), a handheld device used in the Mega Man Battle Network video games
Pet (album), an album by Fur Patrol
Pet (film), a 2016 American/Spanish psychological thriller
Pet (manga), a manga series by Ranjō Miyake
Pet (novel), a 2019 young adult speculative fiction novel by Nigerian author Akwaeke Emezi
Penthouse Pet, a feature of Penthouse magazine

Parent Effectiveness Training, a parent education program developed by Thomas Gordon
Preliminary English Test, former name of the B1 Preliminary, an examination of English proficiency provided by Cambridge English
Psychometric Entrance Test, an Israeli standardized university entrance exam

Pierre Elliott Trudeau (1919–2000), nicknamed PET, former Prime Minister of Canada
PET (time), the time zone for Peru
Potentially Exempt Transfer, a concept in the inheritance tax code of the United Kingdom
Presidential Electoral Tribunal, an electoral tribunal in the Philippines
Pet., abbreviation of Petitioner, a person who pleads with governmental institution for a legal remedy or a redress of grievances
Pet., abbreviation for reports by Richard Peters (reporter) (1780–1848), reporter of decisions of the Supreme Court of the United States