heptagonal

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English[edit]

Etymology[edit]

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

Adjective[edit]

heptagonal (not comparable)

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

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Asturian[edit]

Adjective[edit]

heptagonal (epicene, plural heptagonales)

  1. heptagonal (having seven angles and sides)

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Catalan[edit]

Etymology[edit]

heptàgon +‎ -al

Adjective[edit]

heptagonal m, f (masculine and feminine plural heptagonals)

  1. heptagonal

Portuguese[edit]

Adjective[edit]

heptagonal m, f (plural heptagonais; comparable)

  1. heptagonal (having seven angles and sides)

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Spanish[edit]

Adjective[edit]

heptagonal m, f (plural heptagonales)

  1. heptagonal

Synonyms[edit]