1. (KNO3) used especially as a fertilizer and explosive
   - potassium nitrate, saltpetre [Brit, Cdn], niter [US], nitre [Brit, Cdn]

Derived forms: saltpeters

Type of: nitrate

Part of: fertiliser [Brit], fertilizer, plant food

Encyclopedia: Saltpeter

• piccolo
• pice
• Picea
• Picea abies
• Picea breweriana
• Picea engelmannii
• Picea glauca
• Picea mariana
• Picea obovata
• Picea orientalis
• Picea pungens
• Picea rubens
• Picea sitchensis
• piceous
• pichi
• pichiciago
• pichiciego
• Picidae
• piciform bird
• Piciformes
• pick
• pick and choose
• pick apart
• pick at
• pick on