# Planck particle

> English word · Noun

## Definitions
1. A hypothetical particle having physical quantities on the Planck scale, most importantly being one Planck mass in mass.

## Etymology
Named after Max Planck.

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