Element
aluminum Audio
a·lu·mi·num [ uh-loo-muh-nuhm ]
More Information:
ChemID; DrugBank; DailyMed; PDR
Definitions related to aluminum:
  • A metallic element in the boron group with atomic symbol Al, atomic number 13, and atomic weight 27.
    NCI
    U.S. National Cancer Institute, 2021
  • A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • A metallic element that is found combined with other elements in the earth's crust. It is also found in small amounts in soil, water, and many foods. It is used in medicine and dentistry and in many products such as foil, cans, pots and pans, airplanes, siding, and roofs. High levels of aluminum in the body can be harmful.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • Extremely light, whitish, lustrous, metallic element, obtainable from bauxite or clay; atomic number, 13.
    CRISP Thesaurus
    National Institutes of Health, 2006
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