Fibonacci numbers

[ fee-boh-nah-chee ]
/ ˌfi boʊˈnɑ tʃi /

plural noun Mathematics.

the unending sequence 1, 1, 2, 3, 5, 8, 13, 21, 34, … where each term is defined as the sum of its two predecessors.

QUIZZES

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We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following animal names traces its immediate origin to Portuguese?
Also called Fibonacci sequence .

Origin of Fibonacci numbers

1890–95; after Leonardo Fibonacci, 13th-century Italian mathematician

Words nearby Fibonacci numbers

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021