positron
/ˈpɒz.ɪ.tɹɒn//ˈpɑ.zɪ.tɹɑn/
positron noun: the antimatter equivalent of an electron, having the same mass but a positive charge.
Noun
positron (plural positrons)
- The antimatter equivalent of an electron, having the same mass but a positive charge.
- The notion of a positron weapon remains the stuff of science fiction.
- If these particles carry unit positive charge the curvatures and ionizations produced require the mass to be less than twenty times the electron mass. These particles will be called positrons.[1933 March 15, Carl D. Anderson, “The Positive Electron”, in Physical Review, volume 43
- Synonyms:
- antielectron
positron meaning in Hindi, Tamil, Marathi and Bengali
positron in Hindi
- positron
- धनाणु dhanāṇu
positron in Tamil
- பொசித்திரன், பாசிட்ரான்
positron in Marathi
- positron
- धनाणू dhanāṇū
positron in Bengali
- positron
- পজিট্রন pojiṭron
More languagesFewer languages
- positron in Kannada
- ಪಾಸಿಟ್ರಾನ್
- positron in Tagalog
- tahasik
- positron in Arabic
- بُوزِيتْرُون buzitrūn
- positron in Persian
- پوزیترون pozitrôn
- positron in Thai
- โพซิตรอน poo-sí-dtrɔn
Examples of positron in a sentence
- The patient was examined using a positron emission tomographic system.
- Apart from hadrons, which are made of subconstituent quarks, electron and positron are “fundamental” objects.
- Traditional people didn't have access to EEG (electroencephalogram), MRI (magnetic resonance imaging) or PET (positron emission tomography).
Synonyms of positron
Forms of positron
| plural | positrons |
|---|
Origin of positron
From positive + -tron (electron). Coined by American physicist Carl Anderson in 1932 to replace the earlier term antielectron.
Words formed from positron
Phrases with positron
Questions about positron
- What does positron mean?
- Positron means the antimatter equivalent of an electron, having the same mass but a positive charge.
- What is positron in Hindi?
- Positron in Hindi is धनाणु (dhanāṇu). See Positron meaning in Hindi.
- What part of speech is positron?
- Positron is a noun.
- How do you pronounce positron?
- Positron is pronounced /ˈpɒz.ɪ.tɹɒn/ (UK).
- What is the plural of positron?
- The plural of positron is positrons.
Words near positron in the dictionary
Source and license
Adapted from Wiktionary: positron (page history and authors); positron (Tamil Wiktionary) (page history and authors); positron (Kannada Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-positron.wav, LL-Q1860 (eng)-Aadenboy-positron.wav.
Cite this entry: “positron.” Word.ws, https://word.ws/positron. Based on Wiktionary, CC BY-SA 4.0.