'yottabyte' definitions:

Definition of 'yottabyte'

(from WordNet)
noun
A unit of information equal to 1000 zettabytes or 10^24 bytes [syn: yottabyte, YB]
noun
A unit of information equal to 1024 zebibytes or 2^80 bytes [syn: yottabyte, yobibyte, YB, YiB]