alum

• A white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum (synset 114652485)
  hypernym:

  • al, aluminium, aluminum, atomic number 13 - a silvery ductile metallic element found primarily in bauxite
  • double salt - a solution of two simple salts that forms a single substance on crystallization
  synonym: ammonia alum, ammonium alum
• A white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum (synset 114652297)
  hypernym:

  • al, aluminium, aluminum, atomic number 13 - a silvery ductile metallic element found primarily in bauxite
  • double salt - a solution of two simple salts that forms a single substance on crystallization
  synonym: potash alum, potassium alum
• A person who has received a degree from a school (high school or college or university) (synset 109805779)
  hypernym: bookman, scholar, scholarly person, student - a learned person (especially in the humanities); someone who by long study has gained mastery in one or more disciplines
  hyponym:

  • ivy leaguer - a student or graduate at an Ivy League school
  • old boy - a former male pupil of a school
  synonym: alumna, alumnus, grad, graduate
• A double sulphate of aluminum and potassium that is used as an astringent (among other things) (synset 102703481)
  hypernym: astringent, astringent drug, styptic - a drug that causes contraction of body tissues and canals

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