| Answer | Crossword Clue |
|---|---|
| spectroscopes | SPECTROSCOPE, an instrument for forming spectra by dispersing rays of light |
| spectroscope | an instrument for forming spectra by dispersing rays of light |
| lensed | a piece of transparent material (as glass) that has two opposite regular surfaces either both curved or one curved and the other plane and that is used either singly or combined in an optical instrument for forming an image by focusing rays of light |
