What Does PET Stand For?

PET has more than one possible meaning :

• PET - Petrol Elementary Tools Computer Program
• PET - Phase Elapsed Time
• PET - Photoinduced Electron Transfer
• PET - Poly Ethylene Terephthalate
• PET - Polyethylene Terephthalate
• PET - Positron Emission Tomography
• PET - Potential Evapotranspiration
• PET - Propulsion Engineering Trainer

If you know of another acronym for PET, please suggest it as a new acronym for PET.