noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Synonym of positron.
2. 2
   an elementary particle with positive charge; interaction of a positron and an electron results in annihilation wordnet

Synonyms

All synonyms

positronpositron

Example

More examples

"A positron is an “antielectron”: it has the mass of an electron but a positive charge."

Etymology

From anti- + electron. Coined by English physicist Paul Dirac in 1928 using the spelling anti-electron.

Related phrases

antielectron neutrino

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.