superfluid

[ soo-per-floo-id ]

noun
  1. a fluid that exhibits frictionless flow, very high heat conductivity, and other unusual physical properties, helium below 2.186 K being the only known example.

adjective
  1. of or relating to a superfluid.

Origin of superfluid

1
First recorded in 1940–45; super- + fluid

Other words from superfluid

  • su·per·flu·id·i·ty, noun

Words Nearby superfluid

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use superfluid in a sentence

British Dictionary definitions for superfluid

superfluid

/ (ˌsuːpəˈfluːɪd) /


noun
  1. physics a fluid in a state characterized by a very low viscosity, high thermal conductivity, high capillarity, etc. The only known example is that of liquid helium at temperatures close to absolute zero

adjective
  1. being or relating to a superfluid

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for superfluid

superfluid

[ sōō′pər-flōōĭd ]


  1. A fluid, such as liquid helium, that flows with little or no friction at temperatures close to absolute zero.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.