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Ni"tre} (), n.[F. nitre, L. nitrum native soda, natron, Gr. ; cf. Ar. nitn, natrn natron. Cf. Natron.] 1. (Chem.) A white crystalline semitransparent salt; potassium nitrate; saltpeter. See Saltpeter. 2. (Chem.) Native sodium carbonate; natron. [Obs.] For though thou wash thee with niter, and take thee much soap, yet thine iniquity is marked before me. Jer. ii. 22. Cubic niter, a deliquescent salt, sodium nitrate, found as a native incrustation, like niter, in Peru and Chili, whence it is known also as Chili saltpeter. Niter bush (Bot.), a genus (Nitraria) of thorny shrubs bearing edible berries, and growing in the saline plains of Asia and Northern Africa. Ni"tre (), n.(Chem.) See Niter. スポンサード リンク
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