Fibonacci number
noun
Fi·bo·nac·ci number
ˌfē-bə-ˈnä-chē- 
ˌfi-bə-
: an integer in the infinite sequence 1, 1, 2, 3, 5, 8, 13, … of which the first two terms are 1 and 1 and each succeeding term is the sum of the two immediately preceding
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Cite this Entry
“Fibonacci number.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Fibonacci%20number. Accessed 26 Nov. 2024.
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Fibonacci number
noun
Fi·bo·nac·ci number
ˌfē-bə-ˈnäch-ē-
ˌfib-ə-
: any of the integers in the infinite sequence 1, 1, 2, 3, 5, 8, 13 … of which the first two terms are 1 and 1 and each following term is the sum of the two just before it
Etymology
named for Leonardo Fibonacci about 1170–about 1240 Italian mathematician
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