su·per·flu·id (s  p r-fl  d)n. A fluid, such as a liquid form of helium, exhibiting a frictionless flow at temperatures close to absolute zero. su per·flu·idi·ty (-fl-d-t ) n. |
superfluid [ˌsuːpəˈfluːɪd]
n
(Physics / General Physics) 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
adj
(Physics / General Physics) being or relating to a superfluid
| superfluid (spr-fld) A fluid, such as liquid helium, that flows with little or no friction at temperatures close to absolute zero. |
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