| Answer | Crossword Clue |
|---|---|
| pyrophosphoric | as in pyrophosphoric acid, a type of acid |
| Answer | Crossword Clue |
|---|---|
| pyrophosphoric | as in pyrophosphoric acid, a type of acid |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.