| Answer | Crossword Clue |
|---|---|
| refractometer | an instrument for measuring the refraction of light |
| refractometer | An instrument for measuring a refractive index |
| Answer | Crossword Clue |
|---|---|
| refractometer | an instrument for measuring the refraction of light |
| refractometer | An instrument for measuring a refractive index |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.