American English

Definition of PET noun from the Oxford Advanced American Dictionary



    noun [uncountable]
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  1. 1
    NAmE//ˌpi i ˈti//
    the abbreviation forpolyethylene terephthalate(an artificial substance used to make materials for packaging food, including plastic drinks bottles)
  2. 2
    (medical) the abbreviation forpositron emission tomography(a process that produces an image of your brain or of another part inside your body) a PET scan
See the Oxford Advanced Learner's Dictionary entry: PET