8 English Synonyms for SALTPETRE
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Definition: 1. (inorganic chemistry) KNO<sub>3</sub>, a naturally occurring salt, notably used as an ingredient of gunpowder; also used a food preservative and as an ingredient in toothpaste for sensitive gums; historically used in the production of nitric acid (HNO<sub>3</sub>).
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Definition: 1. A layer of hard clay subsoil or sedimentary rock; hardpan.
There are 2 definitions of the word caliche
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Definition: 1. (inorganic chemistry) the sodium salt of nitric acid, NaNO<sub>3</sub>; used as a food preservative, and as an oxidizing agent in explosives such as sodatol.
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