Definition of terabyte in English:


Syllabification: ter·a·byte
Pronunciation: /ˈterəˌbīt
(abbreviation: Tb or TB)


  • A unit of information equal to one million million (1012) or strictly, 240 bytes.
    More example sentences
    • There is an estimated one million terabytes of online information, and this amount is growing with every new web page that is posted.
    • But midrange and high-end appliances storing gigabytes and terabytes of data require sophisticated backup approaches such as tape libraries.
    • Those little gray boxes will hold not just gigabytes but terabytes and someday maybe petabytes.

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