1. A native double salt, consisting of a combination of neutral and acid sodium carbonate, occurring as a white crystalline fibrous deposit from certain soda brine springs and lakes
   - trona

Encyclopedia: Urao

• annexure
• Annie Oakley
• Anniellidae
• annihilate
• annihilated
• annihilating
• annihilation
• annihilative
• annihilator
• anniversary
• anno Domini
• annon
• Annona
• Annona cherimola
• Annona diversifolia
• Annona glabra
• Annona muricata
• Annona reticulata
• Annona squamosa
• Annonaceae
• annotate
• annotating
• annotation
• annotative
• annotator