heptagonal

English

Etymology

Since 16th century, from heptagon +‎ -al.

Pronunciation

• IPA^(key): /hɛpˈtæɡ ə nl/

• Audio (Canada):

  (file)

Adjective

heptagonal (not comparable)

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

Synonyms

• septagonal

Related terms

• heptagon
• septangle
• septangular

Translations

Having seven angles and sides

• Asturian: heptagonal, heptágonu
• Bengali: সপ্তভুজাকৃতি (śoptobhujakriti)
• Catalan: heptagonal (ca)
• Dutch: zevenhoekig (nl)
• Esperanto: seplatera, sepangula
• French: heptagone (fr), heptagonal (fr)
• Galician: heptagonal
• Georgian: შვიდკუთხა (švidḳutxa)
• German: siebeneckig (de)
• Greek: επτάγωνος (eptágonos), εφτάγωνος (eftágonos)
• Hebrew: משובע m (meshubá), משובעת f (meshubá`at)
• Icelandic: sjöhyrndur m
• Italian: ettagono (it), ettagonale
• Polish: siedmiokątny
• Portuguese: heptagonal, heptágono (pt)
• Russian: семиугольный (ru) (semiugolʹnyj)
• Scottish Gaelic: seachd-shliosach
• Serbo-Croatian: sedmougaoni, sedmokrak
• Slovak: sedemuholníkový
• Spanish: heptagonal (es), heptágono (es)
• Tagalog: pitsihain
• Ukrainian: семику́тний (semykútnyj)

Anagrams

• paleognath

Asturian

Adjective

heptagonal (epicene, plural heptagonales)

1. heptagonal (having seven angles and sides)

Synonyms

• heptágonu

Catalan

Etymology

From heptàgon +‎ -al.

Pronunciation

• IPA^(key): (Central) [əp.tə.ɣuˈnal]
• IPA^(key): (Balearic) [əp.tə.ɣoˈnal]
• IPA^(key): (Valencia) [ep.ta.ɣoˈnal]

Adjective

heptagonal m or f (masculine and feminine plural heptagonals)

1. heptagonal

French

Pronunciation

• Audio:

  (file)

Adjective

heptagonal (feminine heptagonale, masculine plural heptagonaux, feminine plural heptagonales)

1. heptagonal

Further reading

• “heptagonal”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

Portuguese

Pronunciation

 

• (Brazil) IPA^(key): /ˌɛ.pi.ta.ɡoˈnaw/ [ˌɛ.pi.ta.ɡoˈnaʊ̯], /ˌɛp.ta.ɡoˈnaw/ [ˌɛp.ta.ɡoˈnaʊ̯]

• (Brazil) IPA^(key): /ˌɛ.pi.ta.ɡoˈnaw/ [ˌɛ.pi.ta.ɡoˈnaʊ̯], /ˌɛp.ta.ɡoˈnaw/ [ˌɛp.ta.ɡoˈnaʊ̯]
  • (Southern Brazil) IPA^(key): /ˌɛp.ta.ɡoˈnaw/ [ˌɛp.ta.ɡoˈnaʊ̯], /ˌɛ.pi.ta.ɡoˈnaw/ [ˌɛ.pi.ta.ɡoˈnaʊ̯]

 

• (Portugal) IPA^(key): /ˌɛ.ptɐ.ɡuˈnal/ [ˌɛ.ptɐ.ɣuˈnaɫ]

• (Portugal) IPA^(key): /ˌɛ.ptɐ.ɡuˈnal/ [ˌɛ.ptɐ.ɣuˈnaɫ]
  • (Southern Portugal) IPA^(key): /ˌɛ.ptɐ.ɡuˈna.li/ [ˌɛ.ptɐ.ɣuˈna.li]

• Hyphenation: hep‧ta‧go‧nal

Adjective

heptagonal m or f (plural heptagonais)

1. heptagonal (having seven angles and sides)

   Synonym: heptágono

Romanian

Etymology

Borrowed from French heptagonal. By surface analysis, heptagon +‎ -al.

Adjective

heptagonal m or n (feminine singular heptagonală, masculine plural heptagonali, feminine and neuter plural heptagonale)

1. heptagonal

Declension

Declension of heptagonal

		singular				plural
		masculine	neuter	feminine		masculine	neuter	feminine
nominative- accusative	indefinite	heptagonal		heptagonală		heptagonali	heptagonale
	definite	heptagonalul		heptagonala		heptagonalii	heptagonalele
genitive- dative	indefinite	heptagonal		heptagonale		heptagonali	heptagonale
	definite	heptagonalului		heptagonalei		heptagonalilor	heptagonalelor

Spanish

Pronunciation

• IPA^(key): /ebtaɡoˈnal/ [eβ̞.t̪a.ɣ̞oˈnal]
• Rhymes: -al
• Syllabification: hep‧ta‧go‧nal

Adjective

heptagonal m or f (masculine and feminine plural heptagonales)

1. heptagonal

   Synonym: heptágono

Further reading

• “heptagonal”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 2024 December 10