alum shale

noun

alum slate

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Meanings

noun
  1. geographyalum slate
Cite this entry
APA

alum shale. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/alum%20shale

MLA

“alum shale.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/alum%20shale. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “alum shale,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/alum%20shale.

Source: alum shale on Wiktionary, CC BY-SA 4.0.