helium II


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helium II

[′hē·lē·əm ′tü]
(cryogenics)
The phase of liquid helium-4 which is stable at temperatures between absolute zero and the lambda point (about 2.2 K), and has many remarkable properties such as vanishing viscosity, extremely high heat conductivity, and the fountain effect.
References in periodicals archive ?
Helium II will support Linde's global growth agenda, particularly in Asia.