trona
/'trәunә/
📖 中文释义
- n. 天然碱
- [化] 天然碱
📘 English Definition(英文释义)
- n. A native double salt, consisting of a combination of neutral
- and acid sodium carbonate, Na2CO3.2HNaCO3.2H2O, occurring as a white
- crystalline fibrous deposit from certain soda brine springs and lakes;
- -- called also urao, and by the ancients nitrum.