gigabit

[ gig-uh-bit, jig- ]
/ ˈgɪg əˌbɪt, ˈdʒɪg- /

noun Computers.

a measure of storage capacity and data transfer equal to 1 billion (109) bits.

Origin of gigabit

First recorded in 1965–70; giga- + bit3

British Dictionary definitions for gigabit

gigabit
/ (ˈɡɪɡəˌbɪt, ˈɡaɪɡəˌbɪt) /

noun

computing one million bits

Scientific definitions for gigabit

gigabit
[ gĭgə-bĭt′ ]

One billion bits.
1,073,741,824 (that is, 230) bits. See Note at megabyte.