Definitions for PB

This page provides all possible meanings and translations of the word PB

Random House Webster's College Dictionary

Pb

  1. Chem. Symbol.lead.

Origin of Pb:

< L plumbum

Princeton's WordNet

  1. lead, Pb, atomic number 82(noun)

    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"

  2. petabit, Pbit, Pb(noun)

    a unit of information equal to 1000 terabits or 10^15 bits

  3. petabyte, PB(noun)

    a unit of information equal to 1000 terabytes or 10^15 bytes

  4. petabyte, pebibyte, PB, PiB(noun)

    a unit of information equal to 1024 tebibytes or 2^50 bytes

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