Yottabyte

Full definition of yottabyte

Noun

1. (computing) One septillion (10²⁴) bytes. SI symbol: YB.
• 2012, James Bamford, Wired: The NSA Is Building the Country’s Biggest Spy Center (Watch What You Say)... the Pentagon is attempting to expand its worldwide communications network, known as the Global Information Grid, to handle yottabytes (10²⁴ bytes) of data. (A yottabyte is a septillion bytes—so large that no one has yet coined a term for the next higher magnitude.)