Lexic.us

Definition of Trona

1. n. A native double salt, consisting of a combination of neutral and acid sodium carbonate, Na₂CO₃.₂HNaCO₃. ₂H₂O, occurring as a white crystalline fibrous deposit from certain soda brine springs and lakes; -- called also urao, and by the ancients nitrum.

Definition of Trona

1. Noun. (minerology) A saline evaporite, consisting of mixture of sodium carbonate and sodium bicarbonate, Na₃HCO₃CO₃'''·'''2H₂O. ¹

¹ Source: wiktionary.com

Definition of Trona

1. a mineral [n -S]

Medical Definition of Trona

1. A native double salt, consisting of a combination of neutral and acid sodium carbonate, Na2CO3.2HNaCO3.2H2O, occurring as a white crystalline fibrous deposit from certain soda brine springs and lakes; called also urao, and by the ancients nitrum. Origin: Of Egyptian or North African origin. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Trona

Literary usage of Trona

Below you will find example usage of this term as found in modern and/or classical literature:

1. Narrative of Discovery and Adventure in Africa, from the Earliest Ages to by Robert Jameson, James Wilson, Hugh Murray (1833)
"In the beginning of the winter the trona is thickest and best; ... On making inquiry, I found the quantity of trona has not sensibly diminished for the last ..."

2. The Non-metallic Minerals: Their Occurrence and Uses by George Perkins Merrill (1910)
"(See further under Sodium sulphates, P- 333-) 8. trona; URAO. This is a hydrous sodium carbonate, corresponding to the formula Na2CO3. ..."

3. Descriptive Mineralogy by William Shirley Bayley (1917)
"trona Crys- + P(Tn) (Fig. 128). Fibrous and massive forms tal with ol., oo1 (c); are common. The mineral has a perfect cleavage «P«, 100 (a) and parallel to ..."

4. Agricultural Geology by Frederick Valentine Emerson (1920)
"trona, "black alkali" (Na2CO3• NaHCO3.2H2O) is a glistening, whitish, soluble, bitter mineral, known in our arid and sub-arid regions as " black alkali. ..."

5. The Edinburgh Journal of Science by David Brewster (1825)
"... present notice not to be without interest to mineralogists, 1 shall previously give the description of trona itself, and of the two species of ..."

6. The School of Mines Quarterly by Columbia University School of Chemistry (1890)
"Name given by Konig to manganiferous variety of willemite from Franklin, NJ.—Am. Journ. Sci., vol. xxxviii., October, 1889, trona (Urao\ ..."

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