su·​per·​flu·​id | \ ˌsü-pər-ˈflü-əd How to pronounce superfluid (audio) \

Definition of superfluid

: an unusual state of matter noted only in liquid helium cooled to near absolute zero and characterized by apparently frictionless flow (as through fine holes)

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Other Words from superfluid

superfluid adjective
superfluidity \ ˌsü-​pər-​flü-​ˈi-​də-​tē How to pronounce superfluidity (audio) \ noun

Examples of superfluid in a Sentence

Recent Examples on the Web Their work explains the behavior of superconductors and superfluids by connecting these systems to topology, the mathematical study of spatial properties including surfaces. Quanta Magazine, "Nobel Prize Awarded for Quantum Topology," 4 Oct. 2016 But to isolate it in superfluid helium is a big job, one that Mills’s lab will do by tuning a special antimatter beam. Caroline Delbert, Popular Mechanics, "Physicist Believes He Has What It Takes to Make a Gamma Ray Laser," 9 Dec. 2019 Related Stories The Bose-Einstein condensate phase is also a superfluid, first made in a lab in 1995. Caroline Delbert, Popular Mechanics, "Physicist Believes He Has What It Takes to Make a Gamma Ray Laser," 9 Dec. 2019 Hall and Möttönen used a quantum state of matter known as a Bose-Einstein Condensate (BEC) as their medium—technically a superfluid. Jennifer Ouellette, Ars Technica, "Physicists capture first footage of quantum knots unraveling in superfluid," 15 Nov. 2019 And other systems that involve superfluids or magnets in place of superconductors exhibit analogous effects while minimizing those problems. Frank Wilczek, Scientific American, "The Exquisite Precision of Time Crystals," 16 Oct. 2019 In the view of Justin Khoury, a physicist who co-developed the superfluid dark matter model, MOND is best viewed as an empirical statement about galaxies. Jennifer Ouellette, Quanta Magazine, "How Superfluid Dark Matter Mimics an Old Idea About Gravity," 13 June 2017 Fluids with no viscosity at all, like superfluids, have some really weird properties. Chris Lee, Ars Technica, "Quark-gluon plasma reveals viscosity-free properties," 19 Dec. 2018 The straightforward conclusion was that the organisms were swimming in a way that neutralized the solution’s internal friction to produce something like a superfluid, a liquid with zero resistance. Quanta Magazine, "Swarming Bacteria Create an ‘Impossible’ Superfluid," 26 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'superfluid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of superfluid

1938, in the meaning defined above

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The first known use of superfluid was in 1938

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Cite this Entry

“Superfluid.” Dictionary, Merriam-Webster, Accessed 5 Jul. 2020.

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