| Answer | Crossword Clue |
|---|---|
| superfluidity | The property of flowing without friction or viscosity, as in liquid helium below about 2.18 kelvins |
| Answer | Crossword Clue |
|---|---|
| superfluidity | The property of flowing without friction or viscosity, as in liquid helium below about 2.18 kelvins |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.