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Meaning of ALUM

Pronunciation:  'alum

WordNet Dictionary
  1. [n]  a double sulphate of aluminum and potassium that is used as an astringent (among other things)
  2. [n]  a person who has received a degree from a school (high school or college or university)
  3. [n]  a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum
  4. [n]  a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum

ALUM is a 4 letter word that starts with A.


 Synonyms: alumna, alumnus, ammonia alum, ammonium alum, grad, graduate, potash alum, potassium alum
 See Also: Al, aluminium, aluminum, astringent, astringent drug, atomic number 13, old boy, scholar, scholarly person, student, styptic



Webster's 1913 Dictionary
  1. \Al"um\, n. [OE. alum, alom, OF. alum, F. alun, fr. L.
    alumen alum.] (Chem.)
    A double sulphate formed of aluminium and some other element
    (esp. an alkali metal) or of aluminium. It has twenty-four
    molecules of water of crystallization.
    Note: Common alum is the double sulphate of aluminium and
          potassium. It is white, transparent, very astringent,
          and crystallizes easily in octahedrons. The term is
          extended so as to include other double sulphates
          similar to alum in formula.
  2. \Al"um\, v. t.
    To steep in, or otherwise impregnate with, a solution of
    alum; to treat with alum. --Ure.
Medical Dictionary
 Definition: A type of immune adjuvant (a substance used to help boost the immune response to a vaccine). Also called aluminum sulfate.
Dream Dictionary
 Definition: Eating or tasting alum is a message to your consciousness. You might be repressing feelings of guilt for a bad action undertaken against someone you know. In all cases, you regret your actions and hope fo forgiveness. Just seeing alum indicates some degree of failure in your personal plans.