Fanout

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 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."

Example

More examples

"B+ trees have very high fanout, which reduces the number of I/O operations required to find an element in the tree."

Etymology

From fan + out, from the phrasal verb.

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