P.E.T. redirects here.

Pet generally refers to a companion animal. PET may also refer to...

• ...a person:
  • Pierre Elliott Trudeau, former Prime Minister of Canada

• ...something in medicine:
  • Patulous Eustachian tube, a medical disorder affecting the middle ear
  • Positron emission tomography, a medical imaging technique
  • Pre-eclampsia, a medical complication of pregnancy

• ...something in science:
  • pET (molecular biology), a plasmid vector for protein expression; contains T7 promoter and a selective marker gene, e.g. lac I.
  • Pólya enumeration theorem, a mathematical theorem in enumerative combinatorics.
  • Potential evapotranspiration, a measure of the atmospheric demand for water vapour from evaporation and transpiration.

• ...something in technology:
  • Commodore PET (Personal Electronic Transactor), a 1970's era personal computer.
  • Personal Energy Transportation, mobility device for disabled individuals.
  • Polyethylene terephthalate, a common plastic material.
  • Privacy enhancing technologies, a general term for a set of computer tools, applications and mechanisms.

• ...something in education:
  • Parent Effectiveness Training (P.E.T.), a parent education program developed by Thomas Gordon.
  • Preliminary English Test, an international examination of English proficiency.
  • Psychometric Entrance Test, an Israeli standardized university entrance exam.

• ...something in government:
  • Politiets Efterretningstjeneste, the national intelligence security agency of Denmark.
  • Potentially Exempt Transfer, a concept in the inheritance tax code of the United Kingdom.

• ...something in entertainment:
  • "Personal Electronic Thing" in the Starship Titanic video game, part of the player-computer persona communications system.
  • Personal Terminal (MegaMan), a handheld device used in the Megaman Battle Network video games.

• ...an organization:
  • Pet, Inc., a American producer of evaporated milk and other food products, now part of General Mills.
  • PET International, non-profit organization that promotes and supports Personal Energy Transportation.

• ...something else:
  • Peru Time, abbreviation of the time zone for Peru.

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