trona
/troh-nuh/US // ˈtroʊ nə //UK // (ˈtrəʊnə) //
三那,三角洲,三角星,三元
Definitions
n.名词 noun
- 1
- : a monoclinic mineral, grayish or yellowish hydrous sodium carbonate and bicarbonate, Na2CO3⋅NaHCO3⋅2H2, occurring in dried or partly evaporated lake basins.
Examples
In this way the American Trona Corporation is producing some 4500 tons of potash salts a month besides a thousand tons of borax.
A salt found native on the banks of the soda lakes of Sotrena, in Africa, whence it is exported as Trona.
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