Definition of mountain soap in English:

mountain soap

noun

Mineralogy historical

Late 18th century; earliest use found in Richard Kirwan (1733–1812), chemist and mineralogist. After German Bergseife.

noun

Mineralogy historical

Late 18th century; earliest use found in Richard Kirwan (1733–1812), chemist and mineralogist. After German Bergseife.

词汇	mountain soap
释义	Definition of mountain soap in English: mountain soap noun Mineralogy historical A kind of dark earthy clay, probably a halloysite. Origin Late 18th century; earliest use found in Richard Kirwan (1733–1812), chemist and mineralogist. After German Bergseife. Definition of mountain soap in US English: mountain soap noun Mineralogy historical A kind of dark earthy clay, probably a halloysite. Origin Late 18th century; earliest use found in Richard Kirwan (1733–1812), chemist and mineralogist. After German Bergseife.
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