Heptagonal

Origin

Since 16th century, from heptagon + -al, from Ancient Greek έπτάγωνος.

Full definition of heptagonal

Adjective

1. Having seven angles and sides.
2. (math, of a number) Belonging to the sequence generated by the formula $\backslash frac\{5n^2\; -\; 3n\}\{2\}$.

Related terms

• heptagon
• septangle
• septangular

Anagrams

• paleognath