Fibonacci

Meanings

proper noun

A surname from Italian.
The Italian mathematician Leonardo Bonacci, who was called Fibonacci, introduced the Hindu–Arabic numeral system to Europe.
1 more example
"Fibonacci" was the most famous mathematician of his time," Noah explained.
2026, Gordon Korman, Hypergifted, page 139

adjectiveFibonacci (not comparable)

not comparablemathematicsOf or pertaining to the Fibonacci sequence.
An interesting connection between Fibonacci numbers and matrices, introduced in [4], is given by the matrix Q = [1 1; 1 0] , known as Fibonacci Q-matrix [7] or Fibonacci’s matrix [11], such that […]
2019 June 24, Juan Triana, “Negafibonacci Numbers via Matrices”, in Bulletin of TICMI, volume 23, number 1, →ISSN, archived from the original on 13 Jul 2019, Introduction, page 1

From Latin filius (“son”) + Italian Bonacci, a diminutive of Bono, from Latin bonum, ultimately meaning literally, "son of the (little) good man."

More words from Latin, Italian

Arabic فِيبُونَاتْشِي

Bulgarian Фибона́чи

Chinese Mandarin 斐波那契

Japanese フィボナッチ

Persian فیبوناتچی

Russian Фибона́ччи

Turkish Fibonacci

Cite this entry

APA

Fibonacci. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Fibonacci

MLA

“Fibonacci.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Fibonacci. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “Fibonacci,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Fibonacci.