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nitre
CIDE DICTIONARY
nitre, n. [F. nitre, L. nitrum native soda, natron, Gr. ; cf. Ar. nit, natr natron. Cf. Natron.].
- A white crystalline semitransparent salt; potassium nitrate; saltpeter. See Saltpeter. [1913 Webster]
- Native sodium carbonate; natron. [1913 Webster]"For though thou wash thee with niter, and take thee much soap, yet thine iniquity is marked before me." [1913 Webster]
nitre, n.
See Niter. [1913 Webster]
OXFORD DICTIONARY
nitre, n. (US niter) saltpetre, potassium nitrate.
Etymology
ME f. OF f. L nitrum f. Gk nitron, of Semitic orig.
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