Adjacent Words

trona definitions

	Tweet

Merriam Webster's

noun Etymology: Swedish, probably from Arabic natr?n natron — more at natron Date: 1799 a gray-white or yellowish-white monoclinic mineral consisting of a hydrous acid sodium carbonate

Webster's 1913 Dictionary

Trona Tro"na, n. [Of Egyptian or North African origin.] (Chem. & Min.) 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.

Soule's Dictionary of English Synonyms

n. Sesqui-carbonate of soda (native).