positron
English
Etymology
From positive + -tron (electron). Coined by American physicist Carl Anderson in 1932 to replace the earlier term antielectron.
Noun
positron (plural positrons)
- (physics) 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.
- 1933 March 15, Carl D. Anderson, “The Positive Electron”, in Physical Review, volume 43:
- 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.
Synonyms
Hypernyms
Derived terms
Translations
positron
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French
Pronunciation
- IPA(key): /po.zi.tʁɔ̃/
Audio (Paris) (file)
Further reading
- “positron”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.
Norwegian Bokmål
Noun
positron n (definite singular positronet, indefinite plural positron or positroner, definite plural positrona or positronene)
Norwegian Nynorsk
Noun
positron n (definite singular positronet, indefinite plural positron, definite plural positrona)
Swedish
Declension
Declension of positron | ||||
---|---|---|---|---|
Singular | Plural | |||
Indefinite | Definite | Indefinite | Definite | |
Nominative | positron | positronen | positroner | positronerna |
Genitive | positrons | positronens | positroners | positronernas |
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