zettabyte

Noun zettabyte has 2 senses

• zettabyte(n = noun.quantity) zb - a unit of information equal to 1000 exabytes or 10^21 bytes;
is a kind of computer memory unit
has parts: eb, exabyte
is a part of yb, yottabyte

• zettabyte(n = noun.quantity) zb, zebibyte, zib - a unit of information equal to 1024 exbibytes or 2^70 bytes;
is a kind of computer memory unit
has parts: eb, eib, exabyte, exbibyte
is a part of yb, yib, yobibyte, yottabyte