potash alum

noun

alum, hydrated potassium aluminium sulphate, formula K₂SO₄.Al₂(SO₄)₃.24H₂O

Similar
alumpotassium alum
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounpotash alum (uncountable)
  1. uncountablealum, hydrated potassium aluminium sulphate, formula K₂SO₄.Al₂(SO₄)₃.24H₂O

Synonyms & antonyms

nouna white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum

Similar
alumpotassium alum
Broader
aluminumaluminiumAldouble salt
Also see
alum

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From potash + alum.

Full word history & related roots →
Cite this entry
APA

potash alum. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/potash%20alum

MLA

“potash alum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/potash%20alum. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “potash alum,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/potash%20alum.

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