| Answer | Crossword Clue |
|---|---|
| phlogistons | PHLOGISTON, (Greek) the hypothetical principle of fire regarded formerly as a material substance |
| Answer | Crossword Clue |
|---|---|
| phlogistons | PHLOGISTON, (Greek) the hypothetical principle of fire regarded formerly as a material substance |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.