| Answer | Crossword Clue |
|---|---|
| reducer | become converted or equated |
| ionises | Become converted into an ion or ions in this way |
| ionising | Become converted into an ion or ions in this way |
| ionised | Become converted into an ion or ions in this way |
| ionizing | Become converted into an ion or ions in this way |
| cornify | (of soft tissue) to become converted into horn or hard tissue |
| petrifies | (of organic matter) Become converted into stone or a stony substance in such a way |
| petrifying | (of organic matter) Become converted into stone or a stony substance in such a way |
| petrify | (of organic matter) Become converted into stone or a stony substance in such a way |
