| ̷ ̷ ̷ ̷ ̷ ̷ˈtü noun
: superfluid helium formed from helium I by cooling below the lambda point and characterized by a very low viscosity and very high thermal conductivity
| ̷ ̷ ̷ ̷ ̷ ̷ˈtü noun
: superfluid helium formed from helium I by cooling below the lambda point and characterized by a very low viscosity and very high thermal conductivity
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012