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ENGLISH · A WORD WITH POSSIBILITIES

fanout.

The degree to which something fans out, or splits into separate sections.

6 characters2 syllables approx.English language

Meaning & usage

noun
  1. The degree to which something fans out, or splits into separate sections.

    countable · uncountable
    B+ trees have very high fanout, which reduces the number of I/O operations required to find an element in the tree.
    The fanout of a logic gate output is the number of gate inputs to which it is connected.
Where this word comes from

From fan + out, from the phrasal verb.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.