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alum
English
Meaning alum meaning
What does alum mean?
alum
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noun
a double sulphate of aluminum and potassium that is used as an astringent (among other things)
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noun
a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum
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noun
a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
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noun
(= alumnus)
a person who has received a degree from a school (high school or college or university)
Synonyms alum synonyms
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