Meaning of Rollin film | Babel Free
Definitions
A 30-nm-thick liquid film of helium in the helium II state, which exhibits a "creeping" effect in response to surfaces extending past the film's level (wave propagation) and can thus escape from open containers.
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.