# roton

> English word · Noun

## Definitions
1. The quantum of rotation in a superfluid
2. an elementary excitation or quasiparticle in a superfluid

## Etymology
From rotation + -on.

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