positron
The antimatter equivalent of an electron, having the same mass but a positive chargeThe antimatter equivalent of an electron, having the same mass but a positive charge.
» He's interested in positron physics.
Amastan · Tatoeba · CC BY 2.0 FRMeaning
1 senses(particle)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.
Positron
позитро́нpozitrón
позитро́нpozytrón
an elementary particle with positive charge; interaction of a positron and an electron results in annihilation
Examples
5 sentencesHe's interested in positron physics.
A positron is an antielectron.
A positron is a small particle similar to an electron, but with a positive electric charge.
ruПозитрон - это маленькая частица, подобная электрону, но имеющая положительный электрический заряд. — Selena777
deEin Positron ist ein Teilchen ähnlich einem Elektron, jedoch mit einer positiven Ladung. — Pfirsichbaeumchen
A positron is an “antielectron”: it has the mass of an electron but a positive charge.
Positron Emission Tomography uses a radioactive tracer to visualize metabolic activity within the human body.
Translations
9 languagesBy meaning 1
By meaning 1
By meaning 1
Origin
From positive + -tron (electron). Coined by American physicist Carl Anderson in 1932 to reFrom positive + -tron (electron). Coined by American physicist Carl Anderson in 1932 to replace the earlier term antielectron.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: positronsSynonyms
1 synonyms- an elementary particle with positive charge; interaction of a positron and an electron results in annihilation:antielectron