You searched for: “antielectron
positron, antielectron
1. An elementary particle having the same mass and magnitude of charge as an electron but exhibiting a positive charge; a positive electron.
2. A positively charged particle of the same mass and magnititude of charge as an electron; a positive electron.
This entry is located in the following units: electro-, electr-, electri- (page 99) -tron, -tronic, -tronics + (page 14)