Definitions
A positively charged antimatter counterpart of the electron.
Word origin
From positive + -tron (electron). Coined by American physicist Carl Anderson in 1932 to replace the earlier term antielectron.
Used in a sentence
“The notion of a positron weapon remains the stuff of science fiction.”
“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.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Antimatter bit”8 letters
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