| Answer | Crossword Clue |
|---|---|
| ether | medium that in the wave theory of light permeates all space and transmits transverse waves |
| Answer | Crossword Clue |
|---|---|
| ether | medium that in the wave theory of light permeates all space and transmits transverse waves |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.