gigabyte

[gig-uh-bahyt, jig-] /ˈgɪg əˌbaɪt, ˈdʒɪg-/
noun, Computers.
1.
a measure of storage capacity equal to 2 30 (1024) bytes.
Origin
giga- + byte
British Dictionary definitions for gigabytes

gigabyte

/ˈɡɪɡəˌbaɪt; ˈɡaɪɡəˌbaɪt/
noun
1.
(computing) one thousand and twenty-four megabytes See also giga- (sense 2)
Word Origin and History for gigabytes

gigabyte

n.

1982, from giga- + byte.

gigabytes in Science
gigabyte
  (gĭg'ə-bīt')   

  1. A unit of computer memory or data storage capacity equal to 1,024 megabytes (230 bytes).

  2. One billion bytes. See Note at megabyte.