giga-

1. a combining form meaning “billion,” used in the formation of compound words:

   gigabyte.

giga-

/ ˈɡaɪɡə; ˈɡɪɡə /

combining_form

1. denoting 10 ⁹ G

   gigavolt

2. (in computer technology) denoting 2 ³⁰

   gigabyte

giga–

1. A prefix that means:
2. One billion (10 ⁹), as in gigahertz, one billion hertz.
3. 2 ³⁰ (that is, 1,073,741,824), which is the power of 2 closest to a billion, as in gigabyte.

Word History and Origins

Origin of giga-¹

From the Greek word gígās giant

Word History and Origins

Origin of giga-¹

from Greek gigas giant

Example Sentences

Each number received minute attention, the Giga being played by Ethelbert Nevin.

From Project Gutenberg

The name comes from Giga (Geige), a sort of fiddle in use during the 12th and 13th centuries.

From Project Gutenberg