trona

American  

[troh-nuh] / ˈtroʊ nə /

noun

1. a monoclinic mineral, grayish or yellowish hydrous sodium carbonate and bicarbonate, Na 2 CO 3 ⋅NaHCO 3 ⋅2H 2 , occurring in dried or partly evaporated lake basins.

---

trona British  

/ ˈtrəʊnə /

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

---

Etymology

Origin of trona

1790–1800; < Spanish < dialectal Arabic ṭrōn, aphetic variant of naṭrūn natron

Example Sentences

Her father was a mechanic in a trona mine, a mineral processed into baking soda, and her mother was a telephone operator.

From Salon • Jun. 29, 2022

Following recrystallization to remove clay and other impurities, heating the recrystallized trona produces Na2CO3:

From Textbooks • Feb. 14, 2019

To make money, Staley spent two and a half summers mining trona, a mineral used to make baking soda, in Rock Springs, Wyo., where he lived in a tent by the Green River.

From New York Times • Aug. 26, 2017

In hyperarid locations, even rarer and more complex evaporites, like borax, trona, ulexite, and hanksite, are found and mined.

From Textbooks • Jan. 1, 2017

Gouro nuts are chewed, and sometimes even swallowed when mixed with trona, a habit not peculiar to Houssa, for it extends to Bornou, where it is strictly forbidden to women.

From Celebrated Travels and Travellers Part III. The Great Explorers of the Nineteenth Century by D'Anvers, N.