Yottabyte
//ˈjɒtəbaɪt// noun, slang
noun, slang ·Moderate ·College level
Definitions
Noun
- 1 One septillion (10²⁴, or 1,000,000,000,000,000,000,000,000) bytes or 1,000 zettabytes.
"[…] the Pentagon is attempting to expand its worldwide communications network, known as the Global Information Grid, to handle yottabytes (10²⁴ bytes) of data. (A yottabyte is a septillion bytes—so large that no one has yet coined a term for the next higher magnitude.)"
- 2 a unit of information equal to 1024 zebibytes or 2^80 bytes wordnet
- 3 A yobibyte. informal
- 4 a unit of information equal to 1000 zettabytes or 10^24 bytes wordnet
Example
More examples"[…] the Pentagon is attempting to expand its worldwide communications network, known as the Global Information Grid, to handle yottabytes (10²⁴ bytes) of data. (A yottabyte is a septillion bytes—so large that no one has yet coined a term for the next higher magnitude.)"
Etymology
From yotta- + byte.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.