Heptagonal

/hɛpˈtæɡənəl/ adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Having seven angles and sides. not-comparable
  2. 2
    Belonging to the sequence generated by the formula (5n²-3n)/2. not-comparable

Synonyms

All synonyms
octagonalseptagonalseventh

Etymology

Since 16th century, from heptagon + -al.

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Synonyms

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