| Answer | Crossword Clue |
|---|---|
| axonometry | the branch of crystallography concerned with measurement of the axes of crystals |
| axonometries | AXONOMETRY, the branch of crystallography concerned with measurement of the axes of crystals |
| crystallography | The branch of science concerned with the structure and properties of crystals |
| spectroscopy | The branch of science concerned with the investigation and measurement of spectra produced when matter interacts with or emits electromagnetic radiation |
