1. A good hard soap made from olive oil and sodium hydroxide

Derived forms: castile soaps

Type of: soap

Encyclopedia: Castile soap

• piquant
• piquantly
• piquantness
• pique
• Piqueria
• piquet
• piracy
• pirana
• Pirandello
• Piranga
• Piranga flava hepatica
• Piranga ludoviciana
• Piranga olivacea
• Piranga rubra
• piranha
• pirate
• pirate flag
• pirate ship
• piratical
• piratically
• piriform area
• piriform lobe
• pirn
• pirogi
• pirogue