Pb
Pb - noun
a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey
a unit of information equal to 1000 terabits or 10^15 bits
a unit of information equal to 1000 terabytes or 10^15 bytes
a unit of information equal to 1024 tebibytes or 2^50 bytes
Pb - thesaurus
lead
pbit
pebibyte
petabit
petabyte
pib