About 282,000 results
Open links in new tab
  1. Lead - Wikipedia

    Lead is a neurotoxin that accumulates in soft tissues and bones. It damages the nervous system, interferes with biological enzymes, …

  2. LEAD Definition & Meaning - Merriam-Webster

    4 days ago · Lead is both a noun and a verb, as most people know. There are several unrelated nouns spelled lead: one most …

  3. Lead | Definition, Uses, Properties, & Facts | Britannica

    Jun 19, 2026 · Lead, a soft, silvery white or grayish metal in Group 14 (IVa) of the periodic table. Lead is very malleable, ductile, and …

  4. Lead | US EPA

    May 28, 2026 · Learn about the health effects of lead, who is at risk, how to test for lead in paint or other areas of your home, how to …

  5. What is Lead? - US EPA

    Oct 28, 2025 · Answer: Lead is a toxic metal that was used for many years in products found in and around our homes. Lead also …

  6. Lead poisoning - World Health Organization (WHO)

    Jun 10, 2026 · Lead is a naturally occurring toxic metal found in the Earth’s crust. Its widespread use has caused extensive …

  7. Lead: What It Is, Properties, Importance, Uses, and ...

    Aug 8, 2023 · Lead is the chemical element represented by the symbol Pb and possesses the atomic number 82. It is a heavy metal …

  8. Lead poisoning - Wikipedia

    Diagnosis and treatment of lead exposure are based on blood lead level (the amount of lead in the blood), measured in micrograms …

  9. LEAD | English meaning - Cambridge Dictionary

    I don't know the way, so you'd better lead. If you lead in the jeep, we'll follow behind on the horses.

  10. Lead - National Institute of Environmental Health Sciences ...

    Mar 18, 2026 · Lead, a metal found throughout the earth, has been used in a variety of products including gasoline, paint, plumbing …