English Explanatory Dictionary

heptagon

English dictionary entry

Meanings

noun
  1. A polygon with seven sides and seven angles.

Pronunciation

hĕp'təgŏn /ˈhɛp.tə.ɡɒn/ hĕp'təgən /ˈhɛp.tə.ɡən/ En-ca-heptagon.oga

Word forms

heptagon heptagons

Etymology

Since 16th century, from Ancient Greek ἑπτάγωνον (heptágōnon), from ἑπτά (heptá, “seven”) + γωνία (gōnía, “angle”). By surface analysis, hepta- + -gon.

Synonyms

7-gon septagon

Derived words

heptagonal heptagonally
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