| Answer | Crossword Clue |
|---|---|
| heliometry | measurement by use of a heliometer, an instrument for measuring apparent diameter of the sun |
| Answer | Crossword Clue |
|---|---|
| heliometry | measurement by use of a heliometer, an instrument for measuring apparent diameter of the sun |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.