terabyte

[ ter-uh-bahyt ]
/ ˈtɛr əˌbaɪt /

noun Computers.

240 (1,099,511,627,776) bytes; 1024 gigabytes.
(loosely) 1012 or one trillion (1,000,000,000,000) bytes; 1000 gigabytes. Symbol: TB, TByte.

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Origin of terabyte

First recorded in 1980–85; tera- + byte

Words nearby terabyte

teppan-yaki, Tequendama Falls, tequila, ter, tera-, terabyte, teraflop, teraflops, teraglin, Terah, terahertz
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for terabyte

terabyte
/ (ˈtɛrəˌbaɪt) /

noun

computing 10 12 or 2 40 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

Scientific definitions for terabyte

terabyte
[ tĕr′ə-bīt′ ]

A unit of computer memory or data storage capacity equal to 1,024 gigabytes (240 bytes).
One trillion bytes. See Note at megabyte.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.