<chemistry> 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.

(01 Mar 1998)

Tromner's reflex, trompil, TRON, tron, -tron < Prev | Next > trones, troopbird, troopfowl, troopial

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