Alum (Noun)
Meaning 1
A person who has received a degree from a school (high school or college or university).
Classification
Nouns denoting people.
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Hypernyms
Hyponyms
Meaning 2
A white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum.
Classification
Nouns denoting substances.
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Hypernyms
Meaning 3
A white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum.
Classification
Nouns denoting substances.
Synonyms
Hypernyms
Meaning 4
A double sulphate of aluminum and potassium that is used as an astringent (among other things).
Classification
Nouns denoting man-made objects.