tro·na 
(trōnə)
(trōnə)n.
A natural vitreous gray or white mineral, Na2CO3·NaHCO3·2H2O, used as a source of sodium compounds.
[Swedish, probably from Arabic dialectal ṭrōn, variant of Arabic naṭrūn, natron; see NATRON.]
| 单词 | trona |
| 释义 | tro·na (trōnə)n. A natural vitreous gray or white mineral, Na2CO3·NaHCO3·2H2O, used as a source of sodium compounds. [Swedish, probably from Arabic dialectal ṭrōn, variant of Arabic naṭrūn, natron; see NATRON.] |
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