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alum noun

  /ˈæl.əm/
  • (chemistry) Any similar double sulphate in which either or both of the potassium and aluminium is wholly or partly replaced by other univalent or tervalent cations. [from 17th c.]
 aluna

alum verb

  /ˈæl.əm/
  • (transitive) To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.
 alunoida, käsitellä alunalla
sodium alum
natriumaluna
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