PB
Definition of PB
- 1. A soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey Noun
- 2. A unit of information equal to 1000 terabits or 10^15 bits Noun
- 3. A unit of information equal to 1000 terabytes or 10^15 bytes Noun
- 4. A unit of information equal to 1024 tebibytes or 2^50 bytes Noun