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.
- information superhighway
- information technology
- information theory
- informative
- informatively
- informativeness
- informatory
- informed
- informed consent
- informer
- infotain
- infotainment
- infra-
- infraclass
- infract
- infraction
- infractor
- infra dig
- infrahuman
- infrangibility
- infrangible
- infrangibly
- infraorder
- infrared
- infrared astronomy