terabytes

/T EH0 R AH0 B AY1 T S/
noun
  1. 1

    One trillion (1012, or 1,000,000,000,000) bytes. SI symbol: TB.

  2. 2

    Imprecisely, a tebibyte or 10244 (1,099,511,627,776) bytes. SI symbol: TiB, computing symbol: TB.

Source: https://en.wiktionary.org/wiki/terabyte, https://en.wiktionary.org/wiki/terabytes