Chile saltpeter
noun
ˈchi-lē- 
ˈchē-(ˌ)lā-
: sodium nitrate especially occurring naturally (as in caliche)
Word History
Etymology
Chile, South America
First Known Use
1869, in the meaning defined above
Medical Definition
Chile saltpeter
noun
ˈchil-ē-
: sodium nitrate especially occurring naturally (as in caliche)
called also Chile niter