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Fibonacci sequence

Fibonacci sequence noun: the sequence of integers, each of which is the sum of the preceding two, the first and second numbers both being 1.

Noun

Fibonacci sequence (plural Fibonacci sequences)

  1. The sequence of integers, each of which is the sum of the preceding two, the first and second numbers both being 1.
    • If the Fibonacci sequence is chosen for the quasiperiodic direction of a 1D QC,^([quasicrystal]) it may simply be called a Fibonacci phase.1999, Walter Steurer, Torsten Heibach, “3. Crystallography of Quasicrystals”, in Zbigniew M. Stadnik, editor, Physical Properties of Quasicrystals, Springer, page 60
    • The number of adult rabbit pairs being present in consecutive months is then given by the Fibonacci sequence: 1, 1, 2, 3, 5, 8, 13, 21, ... (every term is the sum of its two predecessors). This work can be seen as the very beginning of mathematical biology, though one has to admit that the...2000, Martin Nowak, Robert M. May, Virus Dynamics: Mathematical Principles of Immunology and Virology, Oxford University Press, page 6
  2. Any sequence of numbers such that each is the sum of the preceding two.
    • Indeed, these pairs belong to a Fibonacci sequence of what are called Lucas numbers that begins 2, 1, 3, 4, 7, 11,...1977, Scientific American, volume 236, page 137
    • 19. The first two terms of a Fibonacci sequence are a and b. Write out a few terms.2007, Anthony Nicolaides, Make The Grade At GCSE Mathematics, Higher Tier, P.A.S.S. Publications, 3rd Edition, page 169

Examples of Fibonacci sequence in a sentence

  • The number of adult rabbit pairs being present in consecutive months is then given by the Fibonacci sequence: 1, 1, 2, 3, 5, 8, 13, 21, ... (every term is the sum of its two predecessors).2000, Martin Nowak, Robert M. May, Virus Dynamics: Mathematical Principles of Immunology and Virology, Oxford University Press, page 6:
  • The Fibonacci sequence {fₙ} is defined by the following recurrence relation […]2019 June 24, Juan Triana, “Negafibonacci Numbers via Matrices”, in Bulletin of TICMI, volume 23, number 1, →ISSN, archived from the...

Forms of Fibonacci sequence

pluralFibonacci sequences
alternative formFibonacci's sequence

Origin of Fibonacci sequence

Named after the Italian mathematician later known as Fibonacci (c.1175 – c.1250), who introduced the sequence to a European readership in his 1202 book Liber Abaci.

Questions about Fibonacci sequence

What does Fibonacci sequence mean?
Fibonacci sequence means the sequence of integers, each of which is the sum of the preceding two, the first and second numbers both being 1.
How do you use Fibonacci sequence in a sentence?
The number of adult rabbit pairs being present in consecutive months is then given by the Fibonacci sequence: 1, 1, 2, 3, 5, 8, 13, 21, ... (every term is the sum of its two predecessors).
What part of speech is Fibonacci sequence?
Fibonacci sequence is a noun.
What is the plural of Fibonacci sequence?
The plural of Fibonacci sequence is Fibonacci sequences.

Words near Fibonacci sequence in the dictionary

  1. Fibonacci numbers
  2. Fibonacci polynomial
  3. Fibonacci polynomials
  4. Fibonacci retracement
  5. Fibonacci retracements
  6. Fibonacci sequence
  7. Fibonacci sequences
  8. Fibonacci spiral
  9. Fibonacci spirals
  10. Fibonaccian
  11. fibonomial

Source and license

Adapted from Wiktionary: Fibonacci sequence (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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