| Answer | Crossword Clue |
|---|---|
| breakthrough | A sudden, dramatic, and important discovery or development, esp. in science |
| breakthroughs | A sudden, dramatic, and important discovery or development, esp. in science |
| Answer | Crossword Clue |
|---|---|
| breakthrough | A sudden, dramatic, and important discovery or development, esp. in science |
| breakthroughs | A sudden, dramatic, and important discovery or development, esp. in science |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.