| Answer | Crossword Clue |
|---|---|
| photoionisation | ionization (as in the ionosphere) of a molecule or atom caused by absorption of radiant energy also PHOTOIONIZATION |
| Answer | Crossword Clue |
|---|---|
| photoionisation | ionization (as in the ionosphere) of a molecule or atom caused by absorption of radiant energy also PHOTOIONIZATION |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.