Nitric acid
WordNet
noun
(1) Acid used especially in the production of fertilizers and explosives and rocket fuels
WiktionaryText
Noun
- A transparent, colourless to pale yellow, fuming corrosive liquid, HNO3; a highly reactive oxidizing agent used in the production of fertilizers, explosives, and rocket fuels and in a wide variety of industrial processes; once called aqua fortis.