Pb
    n 1: a soft heavy toxic malleable metallic element; bluish white
         when freshly cut but tarnishes readily to dull grey; "the
         children were playing with lead soldiers" [syn: lead,
         Pb, atomic number 82]
    2: a unit of information equal to 1000 terabits or 10^15 bits
       [syn: petabit, Pbit, Pb]
    3: a unit of information equal to 1000 terabytes or 10^15 bytes
       [syn: petabyte, PB]
    4: a unit of information equal to 1024 tebibytes or 2^50 bytes
       [syn: petabyte, pebibyte, PB, PiB]

	

	PB
       Pipeline Burst [cache]