Word.ws English Dictionary

Roman alum

Roman alum noun: a cubical potassium alum formerly obtained in large quantities from Italian alunite, and highly valued by dyers due to it being iron-free.

Noun

Roman alum (uncountable)

  1. A cubical potassium alum formerly obtained in large quantities from Italian alunite, and highly valued by dyers due to it being iron-free.

Questions about Roman alum

What does Roman alum mean?
Roman alum means a cubical potassium alum formerly obtained in large quantities from Italian alunite, and highly valued by dyers due to it being iron-free.
What part of speech is Roman alum?
Roman alum is a noun.

Words near Roman alum in the dictionary

  1. romalls
  2. romals
  3. roman
  4. Roman alphabet
  5. Roman alphabets
  6. Roman alum
  7. Roman balance
  8. Roman balances
  9. Roman bath
  10. Roman baths
  11. Roman bean

Source and license

Adapted from Wiktionary: Roman alum (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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Cite this entry: “Roman alum.” Word.ws, https://word.ws/roman_alum. Based on Wiktionary, CC BY-SA 4.0.