zet·ta·byte 
(zĕtə-bīt′)
(zĕtə-bīt′)n.
1. A unit of computer memory or data storage capacity equal to 1,024 exabytes (270 bytes).
2. One sextillion (1021) bytes.
- unimpeachably
- unimportance
- unimportant
- unimproved
- uninformative
- uninformatively
- uninformed
- uninhabitability
- uninhabitable
- uninhabited
- uninhibited
- uninhibitedly
- uninhibitedness
- uninitiated
- uninspired
- uninstall
- uninsurability
- uninsurable
- uninsured
- unintelligence
- unintelligent
- unintelligently
- unintelligibility
- unintelligible
- unintelligibly