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Al
DEFINITIONS OF:
Al
1
n
a silvery ductile metallic element found primarily in bauxite
Synonyms:
aluminium
,
aluminum
,
atomic number 13
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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