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terabyte

American  
[ter-uh-bahyt] / ˈtɛr əˌbaɪt /

noun

Computers.
  1. 2 40 (1,099,511,627,776) bytes; 1024 gigabytes.

  2. (loosely) 10 12 or one trillion (1,000,000,000,000) bytes; 1000 gigabytes. TB, TByte.


terabyte British  
/ ˈtɛrəˌbaɪt /

noun

  1. computing 10 12 or 2 40 bytes

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

terabyte Scientific  
/ tĕrə-bīt′ /
  1. A unit of computer memory or data storage capacity equal to 1,024 gigabytes (2 40 bytes).

  2. One trillion bytes.

  3. See Note at megabyte


Etymology

Origin of terabyte

First recorded in 1980–85; tera- + byte

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

I opted for a $100 annual plan that allots me two terabytes.

From The Wall Street Journal

The project combined samples from multiple marine expeditions and required analyzing roughly 15 terabytes of environmental DNA.

From Science Daily

In goes the terabytes; out comes good decisions.

From The Wall Street Journal

ShiftCam’s Planck Studio is a solid-state drive the size of a chocolate square that can hold 4 or 8 terabytes’ worth of photos and videos.

From The Wall Street Journal

He has also been convicted of sharing more than 25 terabytes of copyrighted data.

From BBC