Definify.com
Webster 1913 Edition
Nitre
{
, Ni′ter
,Ni′tre
}Noun.
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 Chile, whence it is known also as
– Chile saltpeter
. Niter bush
(Bot.)
, a genus (
Nitraria
) of thorny shrubs bearing edible berries, and growing in the saline plains of Asia and Northern Africa.