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Definition of "aluminum" []

  • A silvery-white, ductile metallic element, the most abundant in the earth's crust but found only in combination, chiefly in bauxite. Having good conductive and thermal properties, it is used to form many hard, light, corrosion-resistant alloys. Atomic number 13; atomic weight 26.98; melting point 660.2°C; boiling point 2,467°C; specific gravity 2.69; valence 3. See Table at element. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "aluminum" in a sentence
  • "My partner, to me: "Tell him what you call aluminum.""
  • "Highly processed soy products may also contain aluminum, which is toxic to the kidneys, nervous system and brain."
  • "They kept them on the ‘silver platters,’ which is what they called aluminum pie plates."