Aphronitre

Aphronitre

Aphronitre, or aphronitrum, is a kind of nitre, mentioned in ancient texts. It was supposed to be the foam or froth of a liquid, emerging to the top. Naturalists have taken the ancient "aphronitre" to have been a native saltpeter.

References

*1728 [http://digicoll.library.wisc.edu/cgi-bin/HistSciTech/HistSciTech-idx?type=turn&entity=HistSciTech000900240155&isize=XL]

ee also

*potassium nitrate


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  • aphronitre — (a fro nî tr ) s. m. Fleur de nitre qui se formait autrefois dans les nitrières, lorsque la rosée y tombait, ou par d autres moyens que l art employait. ÉTYMOLOGIE    Du grec, écume (le même que le sanscrit abhra, nuage), et nitre …   Dictionnaire de la Langue Française d'Émile Littré

  • aphronitre — …   Useful english dictionary

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