superfluid

superfluid
/sooh'peuhr flooh"id/, Physics.
n.
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.
adj.
2. of or pertaining to a superfluid.
[1940-45; SUPER- + FLUID]

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Universalium. 2010.

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