| 单词 | trona |
| 释义 | trona /troh"neuh/, n. a monoclinic mineral, grayish or yellowish hydrous sodium carbonate and bicarbonate, Na2CO3·NaHCO3·2H2, occurring in dried or partly evaporated lake basins. [1790-1800; < Sp < dial. Ar tron, aph. var. of NATRUN NATRON] |
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