| Answer | Crossword Clue |
|---|---|
| monochromator | a device for isolating a narrow portion of a spectrum |
| Answer | Crossword Clue |
|---|---|
| monochromator | a device for isolating a narrow portion of a spectrum |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.