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)
superfluidityplay \-flü-ˈi-də-tē\ noun
Recent Examples of superfluid from the Web
The two teams made different assumptions about how hot the neutrons were to begin with, so their calculations for the temperature at which the superfluid state is possible are different.
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