| Answer | Crossword Clue |
|---|---|
| undulators | UNDULATOR, one that undulates |
| undulator | one that undulates |
| Answer | Crossword Clue |
|---|---|
| undulators | UNDULATOR, one that undulates |
| undulator | one that undulates |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.