positron
/ˈpɑ.zɪ.tɹɑn/ noun C2- 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.
Plural positrons
Learn positron in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.