Answer | Crossword Clue |
---|---|
ETCH | Draw with nitric acid. |
aquatints | A print resembling a watercolor, produced from a copper plate etched with nitric acid |
nitrocellulose | A highly flammable material made by treating cellulose with concentrated nitric acid, used to make explosives and celluloid |
nitrating | Treat (a substance) with nitric acid (typically a concentrated mixture of nitric and sulfuric acids), esp. so as to introduce nitro groups |
ETCH | Draw with acid |
ETCH | Draw with acid. |