figurate number

noun

A number equal to the number of dots in a geometric figure formed of dots. The series begins with unity and is formed so that subtracting each from the following, and treating the series so formed in the same way, by a continuation of the process, yields equal differences.

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Meanings

nounfigurate number (plural figurate numbers)

plural figurate numbers

  1. mathematicsA number equal to the number of dots in a geometric figure formed of dots. The series begins with unity and is formed so that subtracting each from the following, and treating the series so formed in the same way, by a continuation of the process, yields equal differences.
Cite this entry
APA

figurate number. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/figurate%20number

MLA

“figurate number.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/figurate%20number. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “figurate number,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/figurate%20number.

Source: figurate number on Wiktionary, CC BY-SA 4.0.