Roman alum

noun

: alum crystallized in cubes

especially : alum formerly made from alunite at Tolfa near Rome that was reddish because of a very small amount of iron oxide though otherwise very pure

Word History

First Known Use

1653, in the meaning defined above

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Rhymes for Roman alum

• balam
• clallam
• kalam
• malum
• corallum
• paspalum