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petabyte

American  
[pet-uh-bahyt] / ˈpɛt əˌbaɪt /

noun

  1. 2 50 bytes, or 1,024 terabytes.

  2. (loosely) 10 15 or a million billion bytes. PB


petabyte British  
/ ˈpɛtəˌbaɪt /

noun

  1. computing 10 15 or 2 50 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

petabyte Scientific  
/ pĕtə-bīt /
  1. A unit of computer memory or data storage capacity equal to 1,024 terabytes (2 50 bytes).

  2. One quadrillion bytes.

  3. See Note at megabyte


Etymology

Origin of petabyte

peta- + 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.

Together, these archives now hold about 100 petabytes of information -- roughly equivalent to the total amount of text found across the entire internet, with a single petabyte equaling one million gigabytes.

From Science Daily

Over 30 petabytes, or 30,000 terabytes, of anonymised health data is already available to researchers working for universities, charities, governments and the private sector.

From BBC

It has used the cloud to consolidate 70 petabytes of travel data from its 21 brands.

From BBC

Cheng says the hardest part was finding computational resources large enough to handle the petabyte of data.

From Science Magazine

Nearly 50 modeling centers worldwide contributed to the last round of CMIP, which ended in 2022, simulating hundreds of thousands of years and creating 40 petabytes of data.

From Science Magazine