| Answer | Crossword Clue |
|---|---|
| aquafortis | concentrated nitric acid, used for etching |
| aquafortises | AQUAFORTIS, concentrated nitric acid, used for etching |
| nitrocellulose | A highly flammable material made by treating cellulose with concentrated nitric acid, used to make explosives and celluloid |
| hydrofluoric | as in hydrofluoric acid, a strong acid used for etching glass |
| nitrating | Treat (a substance) with nitric acid (typically a concentrated mixture of nitric and sulfuric acids), esp. so as to introduce nitro groups |
| guncotton | highly explosive cellulose nitrate, made by digesting clean cotton in a mixture of one part nitric acid and three parts sulfuric acid: used in making smokeless powder |
