Noun
superleak (plural superleaks)
(physics) The leak of superfluid helium through microscopic holes
However, the superfluid component can flow through this superleak without any problem (below a critical velocity of about 20 cm/s). Source: Internet
The two vessels are connected by a superleak through which only the superfluid component can pass. Fig. 8. Demonstration of the fountain effect. Source: Internet
The vessels are connected by a so-called superleak. Source: Internet