- a colorless or yellowish, fuming, suffocating, caustic, corrosive, water-soluble liquid, HNO3, having powerful oxidizing properties, usually obtained from ammonia or from Chile saltpeter: used chiefly in the manufacture of explosives and fertilizers and in organic synthesis.
- a colourless or yellowish fuming corrosive liquid usually used in aqueous solution. It is an oxidizing agent and a strong monobasic acid: important in the manufacture of fertilizers, explosives, and many other chemicals. Formula: HNO 3Former name: aqua fortis
- A transparent, colorless to yellowish, fuming corrosive liquid that is a highly reactive oxidizing agent.
- A clear, colorless to yellow liquid that is very corrosive and can dissolve most metals. It is used to make fertilizers, explosives, dyes, and rocket fuels. Chemical formula: HNO3.