PET

Metabolic activity scan

PET stands for positron emission tomography, a medical imaging technique that detects radiation from injected tracers to visualize metabolic processes: The PET scan showed increased brain activity.

PET also abbreviates polyethylene terephthalate, the plastic used in beverage bottles and synthetic fibers. (Lowercase pet is a companion animal.)

imaging

positron

Electron's antimatter counterpart

radionuclide · cyclotron · oncology · metabolic · diagnostic · annihilation · detector · isotope · imaging

plastic

bottle

Container for liquids

synthetic · polymer · resin · packaging · textile

Categories
Opposites
domestication status

PETwild animal

Undomesticated creature

wildlife · livestock · farm animal · stray · vermin

affection/treatment

PETpet peeve

Personal source of irritation

nuisance · annoyance · outcast · pariah · bête noire

physical action (verb)

PEThit

Successful contact or strike

strike · slap · beat · smack · punch

Phrases
Family

petty, pets, petting, petted, petulant, pettable, PET scan

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Positive · Everyday, not technical · Rated G