figurate number

fig·u·rate num·ber

F f

Definitions of figurate number words

noun figurate number a number having the property that the same number of equally spaced dots can be arranged in the shape of a regular geometrical figure. 1
noun figurate number a number that can make a regular geometric figure if the number of units it consists of are represented as dots (e.g. 9 can be a 'square number' and therefore figurate; ten cannot) 0
noun figurate number A number equal to the number of dots in a geometric figure formed of dots. 0

before 1605

One of the 40% oldest English words

First recorded in 1605-15

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 3% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

This diagram is provided by Google Ngram Viewer

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