a medical test which uses radiation and computer technology to produce detailed three-dimensional images showing how well tissues inside the body are working, or an image that is produced in this way. PET is a short form of positron emission tomography.
Synonyms and related words
Medical tests and examinations
amniocentesis
autopsy
biopsy
PET scan
noun countable
US /ˈpet ˌskæn/
Word Forms
singular
PET scan
plural
PET scans
DEFINITIONS1
1
a medical test which uses radiation and computer technology to produce detailed three-dimensional images showing how well tissues inside the body are working, or an image that is produced in this way. PET is a short form of positron emission tomography.