petabyte

[ pet-uh-bahyt ]

noun

1. 2 50 bytes, or 1,024 terabytes.
2. (loosely) 10 15 or a million billion bytes. : PB

petabyte

/ ˈpɛtəˌbaɪt /

noun

1. computing 10 ¹⁵or 2 ⁵⁰bytes

petabyte

/ pĕt′ə-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

Word History and Origins

Origin of petabyte¹

peta- + byte

Example Sentences

It’d cost something like $1 trillion dollars to write a petabyte of data in DNA.

From Singularity Hub 

Its on-chip memory has increased from 18 gigabytes to 40 gigabytes, and the rate it shuttles information to and from said memory has gone from 9 petabytes per second to 20 petabytes per second.

From Singularity Hub 

They are processing hundreds of petabytes of data and moving toward terabytes.

From Time

Malicious code in one update of a trusted software provider was the Trojan horse that enabled access to petabytes of private data across 18,000 organizations, including Fortune 500s and government entities.

From TechCrunch

The insights gained from the vast terabytes and petabytes of data companies collect are critical to innovation and competitive advantage.

From MIT Technology Review