# positron

> English word · Noun · IPA /ˈpɒz.ɪ.tɹɒn/ · frequency rank #45,010

## Definitions
1. The antimatter equivalent of an electron, having the same mass but a positive charge.

## Etymology
From positive + -tron (electron). Coined by American physicist Carl Anderson in 1932 to replace the earlier term antielectron.

## Easily confused with
- **position** (https://plainspell.com/en/vs/position-vs-positron)
- **positions** (https://plainspell.com/en/vs/positions-vs-positron)

## Common misspellings (12)
`opsitron`, `poistron`, `posirton`, `positorn`, `positrno`, `positronn`, `positrron`, `posittron`, `possitron`, `postiron`, `ppositron`, `psoitron`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/positron