: 1024 gigabytes or 1,099,511,627,776 bytes
also : one trillion bytes

Examples of terabyte in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
By comparison, Hubble has delivered a little more than 400 terabytes of data since its launch in 1990. Stephen Clark, ArsTechnica, 31 Aug. 2026 For context, the Hubble Space Telescope has generated about 400 terabytes of data across its 35 or so years of service, while Roman will be generating about 500 terabytes every single year. Monisha Ravisetti, Space.com, 30 Aug. 2026 The telescope is expected to transmit one terabyte of data per day — like streaming 1 million songs from 1 million miles away down to Earth, said Jeremy Perkins, Roman telescope integration and test scientist at Goddard. Ashley Strickland, CNN Money, 30 Aug. 2026 Over 12 terabytes of data, containing builds of every game uploaded to Steam between 2003 and 2013, has been leaked. Terrence O'Brien, The Verge, 30 Aug. 2026 See All Example Sentences for terabyte

Word History

Etymology

tera- + byte

First Known Use

1984, in the meaning defined above

Time Traveler
The first known use of terabyte was in 1984

Browse Nearby Words

Cite this Entry

“Terabyte.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/terabyte. Accessed 4 Sep. 2026.

Kids Definition

: 1024 gigabytes
also : one trillion bytes
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster