Gigabyte

//ˈɡɪɡəbaɪt// noun, slang

noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    One billion (10⁹, or 1,000,000,000) bytes or 1,000 megabytes. formal

    "The IBM 3380 Direct Access Storage is a disk storage device with a storage capacity of 2.5 gigabytes (billion bytes) per unit, an increase of almost four times the capacity of the IBM 3350 Direct Access Storage."

  2. 2
    a unit of information equal to 1024 mebibytes or 2^30 (1,073,741,824) bytes wordnet
  3. 3
    A gibibyte. informal
  4. 4
    a unit of information equal to 1000 megabytes or 10^9 (1,000,000,000) bytes wordnet

Synonyms

All synonyms
gbggbgibgibibytegig

Example

More examples

"I suppose then an 8-Gigabyte hard drive will be adequate."

Etymology

From giga- + byte.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.