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giga-

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

    gigabyte.


giga- British  
/ ˈɡaɪɡə, ˈɡɪɡə /

combining form

  1.  G.  denoting 10 9

    gigavolt

  2. (in computer technology) denoting 2 30

    gigabyte

"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

giga– Scientific  
  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.


Etymology

Origin of giga-

From the Greek word gígās giant

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Gabriel Samuel, 21, visiting from Stockholm waited for his Giga Burger in a booth.

From Los Angeles Times

Over the first 10 years, MBS dispensed “giga” projects involving large-scale developments to diversify the kingdom off oil as if he were Santa Claus.

From The Wall Street Journal

She says Labour's plan to address this is to get NHS waiting lists down, introduce more targeted support, reform the apprenticeship levy to give young people skills, invest alongside business in industries like carbon capture, giga factories for electric vehicles and offshore wind.

From BBC

At Tesla’s Giga Texas facility, which makes components in Austin for the firm’s electric vehicles, the rate of injury is 1 of every 26 workers, while the industry average is closer to 1 of every 38.

From Washington Times

Ambani also announced plans to manufacture wind energy equipment in India under Reliance's new energy business, and a plan to set up a battery giga factory by 2026.

From Reuters