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 History of this Word

"giga" is from "gigas" (giant) spoken by people of Greece starting about 1000 B.C.

Notes

In this sense, it is a word added to another word to form a new word. In computer terminology, giga refers to one billion in the mathematical base two system which would be 1,073,741,824 rather than 1,000,000,000.

Words related to this meaning

grammar is modifier

"giga-" is a type of prefix

Definition

A prefix added to the start of a word. Indicates that "one billion (1,000,000,000)" modifies the word. Created to expand meanings. Can be used with many words to form new words.

Examples of how the word is used

giga- illustration For the last several years the one-gigahertz barrier has for computer buffs taken on the significance of the sound barrier or the four-minute mile.
giga- illustration One gigawatt is enough to supply the electric demand of about one million homes.