Definition of Petabyte

1. Noun. A unit of information equal to 1000 terabytes or 10^15 bytes.

Exact synonyms: Pb
Generic synonyms: Computer Memory Unit
Terms within: Tb, Terabyte
Group relationships: Eb, Exabyte

2. Noun. A unit of information equal to 1024 tebibytes or 2^50 bytes.
Exact synonyms: Pb, Pebibyte, Pib
Generic synonyms: Computer Memory Unit
Terms within: Tb, Tebibyte, Terabyte, Tib
Group relationships: Eb, Eib, Exabyte, Exbibyte

Definition of Petabyte

1. Noun. (context: SI) One quadrillion (1,000,000,000,000,000) bytes. SI symbol: PB. ¹

2. Noun. (computing) 1,125,899,906,842,624 bytes or 10245, or 250. This capacity may be expressed unambiguously as a pebibyte. SI symbol: PiB, computing symbol: PB. ¹

¹ Source: wiktionary.com

Definition of Petabyte

1. one quadrillion bytes [n -S]

Lexicographical Neighbors of Petabyte

pet name
pet names
pet peeve
pet peeves
pet project
pet projects
pet shop
pet shops
pet sitter
pet sitting
peta-
petabecquerel
petabecquerels
petabit
petabits
petabyte (current term)
petabytes
petaflop
petaflops
petagram
petagramme
petagrammes
petagrams
petahertz
petahertzes
petajoule
petajoules
petakatal
petakatals
petal

Literary usage of Petabyte

Below you will find example usage of this term as found in modern and/or classical literature:

1. Proceedings of the U. S. Geological Survey Global Change Research Forum edited by John A. Kelmelis, Mitchell Snow (1994)
"A petabyte. I really don't know how many that is. All I know is that it's a lot of those little hummers. These are the terms that we're starting to use as ..."

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