Link Centre Dictionary

alum

UK/əˈlʌm/ US/ʌˈlʌm/ rare us

noun

1.

a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum

2.

a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum

3.

a person who has received a degree from a school (high school or college or university)

4.

a double sulphate of aluminum and potassium that is used as an astringent (among other things)

Phrases

  • alum cake
  • alum earth
  • alum mine
  • alum rock
  • alum root
  • alum schist
  • alum shale

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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.