mountain soap
mountain soap noun: a soft earthy mineral, of a brownish colour, which has a greasy or soapy feel and is used as a filler in crayons.
Noun
mountain soap (uncountable)
- A soft earthy mineral, of a brownish colour, which has a greasy or soapy feel and is used as a filler in crayons.
- It soils either strongly, as chalk and mountain soap; or slightly, as molybdana, lead glauce, and graphite. Besides this, there are three other distinctions connected with this character to be attended to.1805, Robert Jameson, A Treatise on the External Characters of Minerals, page 76
- […] seven different minerals possessing the same formula, namely, fahlunite, esmarkite, pyrargillite, bole, iron lithomarge, halloylite from La Vouth and from Thiviers, and mountain soap from Thuringia.1848, American Journal of Science and Arts, page 72
Synonyms of mountain soap
Questions about mountain soap
- What does mountain soap mean?
- Mountain soap means a soft earthy mineral, of a brownish colour, which has a greasy or soapy feel and is used as a filler in crayons.
- What part of speech is mountain soap?
- Mountain soap is a noun.
Words near mountain soap in the dictionary
Source and license
Adapted from Wiktionary: mountain soap (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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