| Answer | Crossword Clue |
|---|---|
| exahertz | one quintillion hertz |
| exahertz | one quintillion (1018) hertz |
| Answer | Crossword Clue |
|---|---|
| exahertz | one quintillion hertz |
| exahertz | one quintillion (1018) hertz |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.