# antineutrino

> English word · Noun

## Definitions
1. The antiparticle of the neutrino.

## Etymology
From anti- + neutrino.

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