different between positron vs contraterrene
positron
English
Etymology
From positive +? -tron (electron). Coined by American physicist Carl Anderson in 1932 to replace the earlier term antielectron.
Pronunciation
- (UK) IPA(key): /?p?z.?.t??n/
- (US) IPA(key): /?p?.z?.t??n/
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.
Synonyms
- antielectron
Hypernyms
- antilepton
Derived terms
Translations
Further reading
- positron on Wikipedia.Wikipedia
Anagrams
- portions, sorption
Dutch
Pronunciation
Noun
positron n (plural positronen)
- (physics) positron
French
Pronunciation
- IPA(key): /po.zi.t???/
Noun
positron m (plural positrons)
- (physics) positron
Further reading
- “positron” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).
Anagrams
- portions, potirons
Norwegian Bokmål
Etymology
Short form of positiv +? elektron
Noun
positron n (definite singular positronet, indefinite plural positron or positroner, definite plural positrona or positronene)
- (physics) a positron
References
- “positron” in The Bokmål Dictionary.
Norwegian Nynorsk
Etymology
Short form of positiv +? elektron
Noun
positron n (definite singular positronet, indefinite plural positron, definite plural positrona)
- (physics) a positron
References
- “positron” in The Nynorsk Dictionary.
Swedish
Noun
positron c
- positron
Declension
positron From the web:
- what positron emission tomography
- what positron emission tomography does
- what positron capture
- positron meaning
- positron what does it mean
- what is positron emission
- what is positron decay
- what is positron in physics
contraterrene
English
Alternative forms
- contra-terrene
- contra terrene
Etymology
- contra- +? terrene
- Physics meaning from physicist Dirac's notion that an ordinary electron “rests” on the Dirac sea (terrene) whereas a positron exists as a “hole” in that sea (contra-terrene).
Adjective
contraterrene (comparative more contraterrene, superlative most contraterrene)
- Not terrestrial.
- (obsolete, physics) Of or pertaining to antimatter.
References
- OED 2nd edition 1989
contraterrene From the web:
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