Phrase guide

Lucas number

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

Any member of an integer sequence that has the same recursive relationship as the Fibonacci sequence, i.e. each term is the sum of the two previous terms, but with different starting values such that the ratios of successive terms approach the golden ratio.

Definition source: English Wiktionary via Wiktextract

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Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Named after the mathematician François Édouard Anatole Lucas.