# superfluid

> English word · Noun · frequency rank #95,473

## Definitions
1. A substance, such as liquid helium, that exhibits superfluidity.

## Etymology
From super- + fluid.

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