positron
po·sit·ron
noun
1.
an elementary particle with positive charge; interaction of a positron and an electron results in annihilation
Origin
From positive + -tron (electron). Coined by American physicist Carl Anderson in 1932 to replace the earlier term antielectron.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.