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Al

Definitions of Al
  1. noun
    a silvery ductile metallic element found primarily in bauxite
    synonyms: aluminium, aluminum, atomic number 13
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    types:
    alum, potash alum, potassium alum
    a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum
    alum, ammonia alum, ammonium alum
    a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
    type of:
    metal, metallic element
    any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
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