positron

English dictionary entry

Meanings

noun

The antimatter equivalent of an electron, having the same mass but a positive charge.

/ˈpɒz.ɪ.tɹɒn/ /ˈpɑ.zɪ.tɹɑn/ LL-Q1860 (eng)-Vealhurl-positron.wav LL-Q1860 (eng)-Aadenboy-positron.wav

positron positrons

From positive + -tron (electron). Coined by American physicist Carl Anderson in 1932 to replace the earlier term antielectron.

antielectron

positrino positron emission tomography positronic positronium spositron

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