petabyte

[ pet-uh-bahyt ]
/ ˈpɛt əˌbaɪt /

noun

250 bytes, or 1,024 terabytes.
(loosely) 1015 or a million billion bytes. Symbol: PB

Origin of petabyte

peta- + byte

Words nearby petabyte

pet sitting, pet., pet.e., peta, peta-, petabyte, petach tikva, petahertz, petal, petaliferous, petaline

British Dictionary definitions for petabyte

petabyte
/ (ˈpɛtəˌbaɪt) /

noun

computing 10 15 or 2 50 bytes

Scientific definitions for petabyte

petabyte
[ pĕt′ə-bīt ]

A unit of computer memory or data storage capacity equal to 1,024 terabytes (250 bytes).
One quadrillion bytes. See Note at megabyte.