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[fee-boh-nah-chee]
/ˌfi boʊˈnɑ tʃi/

1.

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

Also called Fibonacci sequence.

Origin

1890-1895

Dictionary.com Unabridged

Based on the Random House Dictionary, © Random House, Inc. 2014.

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Based on the Random House Dictionary, © Random House, Inc. 2014.

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British Dictionary definitions for fibonacci sequence

/ˌfɪbəˈnɑːtʃɪ/

noun

1.

the infinite sequence of numbers, 0, 1, 1, 2, 3, 5, 8, etc, in which each member (Fibonacci number) is the sum of the previous two

Word Origin

named after Leonardo Fibonacci

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition

© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins

Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins

Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cite This Source

fibonacci sequence in Science

Fibonacci sequence A sequence of numbers, such as 1, 1, 2, 3, 5, 8, 13 ... , in which each successive number is equal to the sum of the two preceding numbers. Many shapes occurring in nature, such as certain spirals, have proportions that can be described in terms of the Fibonacci sequence. See also golden section. |

The American Heritage® Science Dictionary

Copyright © 2002. Published by Houghton Mifflin. All rights reserved.

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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.

Cite This Source

fibonacci sequence in Technology

mathematics

The infinite sequence of numbers beginning

1, 1, 2, 3, 5, 8, 13, ...

in which each term is the sum of the two terms preceding it.

The ratio of successive Fibonacci terms tends to the golden ratio, namely (1 + sqrt 5)/2.

[Why not "Fibonacci series"?]

(2002-10-15)

0

0

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