Aphronitre
From Wikipedia, the free encyclopedia
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.
[edit] References
- This article incorporates content from the 1728 Cyclopaedia, a publication in the public domain. [1]
