Noun: petabyte 'pe-tu,bIt
- A unit of information equal to 1000 terabytes or 10^15 bytes
"The cloud service offered petabytes of storage";
- PB
- A unit of information equal to 1024 tebibytes or 2^50 bytes
"The cloud storage provider offered petabytes of capacity to large enterprises";
- pebibyte, PB, PiB
Derived forms: petabytes
Type of: computer memory unit
Part of: EB, EiB, exabyte, exbibyte
Encyclopedia: Petabyte