Meanings
- mathematicsAn identity that generalizes the chain rule to higher derivatives.
Origin
Named after Francesco Faà di Bruno, though he was not the first to state or prove the formula.
Full word history & related roots →Cite this entry
Faà di Bruno's formula. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Fa%C3%A0%20di%20Bruno's%20formula
“Faà di Bruno's formula.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Fa%C3%A0%20di%20Bruno's%20formula. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “Faà di Bruno's formula,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Fa%C3%A0%20di%20Bruno's%20formula.
Source: Faà di Bruno's formula on Wiktionary, CC BY-SA 4.0.