alum has definitions from the fields of medicine,pharmacology,education,chemistry
1
[ noun ] (education) a person who has received a degree from a school (high school or college or university)
2
[ noun ] (chemistry) a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum

Related terms

Al double_salt

3
[ noun ] (chemistry) a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum

Related terms

Al double_salt

4
[ noun ] (medicine,pharmacology) a double sulphate of aluminum and potassium that is used as an astringent (among other things)

Related terms

astringent

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