superfluid.

A fluid in a state exhibiting distinctive quantum behavior, including flow without ordinary viscous resistance under relevant conditions.

Use it for

Words that belong together

• a superfluid sample
• superfluid helium

On the page

The experiment cooled helium into a superfluid state.

The superfluid sample required conditions the damaged chamber could not maintain.

Usage notes

Primary category: sci-fi. Forms: Singular superfluid; plural superfluids. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.