Trona
[trәunә]
Definition
(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.
Typist: Rowland
Synonyms and Synonymous
n. Sesqui-carbonate of soda (native).
Typed by Anatole
Definition
n. the native soda of Egypt a grayish hydrous sodium carbonate.
Checked by Juliana