From Longman Dictionary of Contemporary Englishterabyteter‧a‧byte /ˈterəbaɪt/ noun [countable] (written abbreviation TB or Tb) a unit for measuring computer information, equal to 1,024 gigabytes, and used less exactly to mean one trillion bytesFrom Longman Business Dictionaryterabyteter‧a‧byte /ˈterəbaɪt/ noun [countable] COMPUTING a unit of computer memory equal to 1,000 gigabytesOrigin terabyte (1900-2000) Greek teras “large creature, monster” + English byte
