Element
lead
[ leed ]
More Information:
ChemID; DailyMed; PDR
Definitions related to lead:
  • A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Soft grayish blue metal with poisonous salts; symbol, Pb, atomic number 82.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • (lead metal) An element with atomic symbol Pb, atomic number 82, and atomic weight 207.2.
    NCI
    U.S. National Cancer Institute, 2021
  • Lead is a heavy metal that is mostly found as a compound in the Earth�s crust. The largest use of lead in the present day and age is in batteries of cars.
    Medscape
    WebMD, 2025
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