| Answer | Crossword Clue |
|---|---|
| LASER | Device for stimulating emission of radiation |
| MASER | Device for microwave radiation. |
| Answer | Crossword Clue |
|---|---|
| LASER | Device for stimulating emission of radiation |
| MASER | Device for microwave radiation. |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.