trona

[troh-nuh]
noun
  1. a monoclinic mineral, grayish or yellowish hydrous sodium carbonate and bicarbonate, Na2CO3⋅NaHCO3⋅2H2, occurring in dried or partly evaporated lake basins.

Origin of trona

1790–1800; < Spanish < dialectal Arabic ṭrōn, aphetic variant of naṭrūn natron
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British Dictionary definitions for trona

trona

noun
  1. a greyish mineral that consists of hydrated sodium carbonate and occurs in salt deposits. Formula: Na 2 CO 3 NaHCO 3 .2H 2 O

Word Origin for trona

C18: from Swedish, probably from Arabic natrūn natron
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