figurate number

[ fig-yer-it ]

nounMathematics.
  1. a number having the property that the same number of equally spaced dots can be arranged in the shape of a regular geometrical figure.

Origin of figurate number

1
First recorded in 1605–15

Words Nearby figurate number

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024