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Noun: Pb
  1. A soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey
    - lead[2], atomic number 82
     
  2. A unit of information equal to 1000 terabits or 10^15 bits
    - petabit, Pbit
Noun: PB
  1. A unit of information equal to 1024 tebibytes or 2^50 bytes
    - petabyte, pebibyte, PiB
     
  2. A unit of information equal to 1000 terabytes or 10^15 bytes
    - petabyte

Type of: computer memory unit, metal, metallic element

Part of: cerussite, Eb, Ebit, EiB, exabit, exabyte, exbibyte, galena, white lead ore

Encyclopedia: Pb

PB