different between pentagon vs heptagon

English

Etymology

From Middle French pentagone, from Late Latin pentag?num, from Ancient Greek ?????????? (pentág?non), noun use of the neuter of the adjective ?????????? (pentág?nos, “five-angled”), from ????? (pénte, “five”) + -????? (-g?nos, “angled”). Equivalent to penta- +? -gon.

Pronunciation

• (US, Canada) enPR: p?n't?g?n, IPA^(key): /?p?n.t?.??n/
• (UK) enPR: p?n't?g?n, IPA^(key): /?p?n.t?.??n/
• Hyphenation: pen?ta?gon

Noun

pentagon (plural pentagons)

1. (geometry) A polygon with five sides and five angles.
2. A fort with five bastions.

Derived terms

• pentagonal

Translations

See also

• Wikipedia article on pentagons
• pentagram
• quinquangle

Anagrams

• pantogen

Danish

Noun

pentagon c (singular definite pentagonen, plural indefinite pentagoner)

1. pentagon

Declension

Synonyms

• femkant

Related terms

• pentagonal

References

• “pentagon” in Den Danske Ordbog

Norwegian Bokmål

Etymology

From penta- +? -gon

Noun

pentagon m (definite singular pentagonen, indefinite plural pentagoner, definite plural pentagonene)

1. (geometry) a pentagon

Synonyms

• femkant

References

• “pentagon” in The Bokmål Dictionary.
• “pentagon” in Det Norske Akademis ordbok (NAOB).

Norwegian Nynorsk

Etymology

From penta- +? -gon

Noun

pentagon m (definite singular pentagonen, indefinite plural pentagonar, definite plural pentagonane)

1. (geometry) a pentagon

Synonyms

• femkant

References

• “pentagon” in The Nynorsk Dictionary.

Romanian

Etymology

From French pentagone, from Latin pentagonus.

Noun

pentagon n (plural pentagoane)

1. Pentagon

Declension

English

Etymology

Since 16th century, from Ancient Greek ????????? (heptág?non), from ???? (heptá, “seven”) + ????? (g?nía, “angle”). Equivalent to hepta- +? -gon.

Pronunciation

• (US) enPR: h?p't?g?n, IPA^(key): /?h?p.t?.??n/
• (UK) enPR: h?p't?g?n, IPA^(key): /?h?p.t?.??n/

Noun

heptagon (plural heptagons)

1. (geometry) A polygon with seven sides and seven angles.

Derived terms

• heptagonal
• heptagonally

Synonyms

• septagon (proscribed)

Translations

Anagrams

• pathogen, phone tag

Romanian

Etymology

Borrowed from French heptagone.

Noun

heptagon n (plural heptagoane)

1. heptagon