HEPTAGONAL

Etymology

Adjective

heptagonal (not comparable)

Having seven angles and sides.

(math, of a number) Belonging to the sequence generated by the formula \(\frac{5n^2 - 3n}{2}\).

Anagrams

• paleognath

Source: Wiktionary


Hep*tag"o*nal, a. Etym: [Cf. F. heptagonal.]

Definition: Having seven angles or sides. Heptagonal numbers (Arith.), the numbers of the series 1, 7, 18, 34, 55, etc., being figurate numbers formed by adding successively the terms of the arithmetical series 1, 6, 11, 16, 21, etc.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

29 June 2025

ADMIRABLE

(adjective) deserving of the highest esteem or admiration; “an estimable young professor”; “trains ran with admirable precision”; “his taste was impeccable, his health admirable”


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Coffee Trivia

According to Guinness World Records, the most massive cup of coffee contained 22,739.14 liters and was created by Alcaldía Municipal de Chinchiná (Colombia) at Parque de Bolívar, Chinchiná, Caldas, Colombia, on 15 June 2019. Fifty people worked for more than a month to build this giant cup. The drink prepared was Arabic coffee.

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