terabyte

[ter-uh-bahyt]

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.

Origin of terabyte

First recorded in 1980–85; tera- + byte

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for terabyte

terabyte

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

Word Origin and History for terabyte

by 1982, from tera- + byte.

Science 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.