positron emission tomography positron • positron emission tomography scanner · · · Info · Definitions · Synonyms · Characters · · positron emission tomography · · Text Common · · Latin · · Scripts 28 · · Length 10 · · Syllables Definitions · · · (noun) using a computerized radiographic technique to examine the metabolic activity in various tissues (especially in the brain). Synonyms: positron emission tomography, PET. · · Noun Definition 1 Synonyms · · · pet · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079