noun Etymology: positive + -tron (as in electron) Date: 1933 a positively charged particle having the same mass and magnitude of charge as the electron and constituting the antiparticle of the electron
POSITRON
Meaning of POSITRON in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012