单词 | trona |
释义 | trona/ˈtrəʊnə /noun [mass noun] A grey mineral which occurs as an evaporite in salt deposits and consists of a hydrated carbonate and bicarbonate of sodium.Most of the sodium carbonate used in North America comes from large deposits of the mineral trona, a sodium carbonate/bicarbonate found in Wyoming....
OriginLate 18th century: from Swedish, from Arabic naṭrūn (see natron). |
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