Phrase guide

positron emission tomography

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A medical imaging technique which detects the gamma rays produced by positrons emitted from injected radionuclides.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: PET

Antonyms: none provided

Broader terms: tomography, imaging

2

noun

Meaning 2

using a computerized radiographic technique to examine the metabolic activity in various tissues (especially in the brain)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: PET

Antonyms: none provided

Broader terms: imaging, tomography

History

Etymology

No etymology was provided for this word.

Across languages

Translations

10 source translations are retained for this English entry.

  • Chinese Mandarin: 正電子發射計算機斷層掃描 /正电子发射计算机断层扫描 (zhèngdiànzǐ fāshè jìsuànjī duàncéng sǎomiáo) — a medical imaging technique
  • Czech: pozitronová emisní tomografie — a medical imaging technique
  • Finnish: positroniemissiotomografia — a medical imaging technique
  • French: tomographie par émission de positons — a medical imaging technique
  • French: TEP — a medical imaging technique
  • Greek: τομογραφία εκπομπής ποζιτρονίων (tomografía ekpompís pozitroníon) — a medical imaging technique
  • Hungarian: pozitronemissziós tomográfia — a medical imaging technique
  • Irish: tomagrafaíocht astúchán posatrón — a medical imaging technique
  • Norwegian: positronemisjonstomografi — a medical imaging technique
  • Turkish: pozitron emisyon tomografisi — a medical imaging technique