fanout
noun
fanout is a noun meaning “The degree to which something fans out, or splits into separate sections” (English Wiktionary, September 2026). It is spelled F-A-N-O-U-T, and it appears about once in every 66 million words in written English (wordfreq, 2021 data). The plural of fanout is fanouts.
What does fanout mean?
noun
- 1
The degree to which something fans out, or splits into separate sections.
B+ trees have very high fanout, which reduces the number of I/O operations required to find an element in the tree.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of fanout
- fanouts plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is fanout?
Fanout appears about once in every 66 million words in written English, the 255,765th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Where does fanout come from?
From fan + out, from the phrasal verb.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).