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

• catch crop
• catch fire
• catch it
• catch on
• catch one's breath
• catch out
• catch sight
• catch some Z's
• catch up
• catch up with
• catch-22
• catchall
• catcher
• catcher's mask
• catchfly
• catching
• catchment
• catchment area
• catchment basin
• catchpenny
• catchphrase
• catchweed
• catchword
• catchy
• catclaw