| Answer | Crossword Clue |
|---|---|
| undulationists | UNDULATIONIST, someone who holds the undulatory theory of light |
| undulationist | someone who holds the undulatory theory of light |
| Answer | Crossword Clue |
|---|---|
| undulationists | UNDULATIONIST, someone who holds the undulatory theory of light |
| undulationist | someone who holds the undulatory theory of light |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.