| Answer | Crossword Clue |
|---|---|
| perfluorocarbon | an organic compound in which much of the hydrogen has been replaced by fluorine |
| Answer | Crossword Clue |
|---|---|
| perfluorocarbon | an organic compound in which much of the hydrogen has been replaced by fluorine |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.