toroidal

English

Etymology

• toroid +‎ -al

Pronunciation

• IPA^(key): /təˈɹɔɪdəl/

• Rhymes: -ɔɪdəl

Adjective

toroidal (comparative more toroidal, superlative most toroidal)

1. Having the shape of a torus or toroid.
   • 2013 September, Yongju Kim, Wen Li, Suyong Shin, Myongsoo Lee, “Development of Toroidal Nanostructures by Self-Assembly: Rational Designs and Applications”, in Accounts of Chemical Research‎^[1], volume 46, number 12:

     However, because of the lack of guiding principles for the construction of toroids, researchers have not widely studied the self-assembly of toroidal nanostructures as compared with the work on other supramolecular architectures.

Derived terms

• atoroidal
• microtoroidal
• nontoroidal
• semitoroidal
• supertoroidal
• toroidality
• toroidally
• toroidal polyhedron

Translations

having the shape of a torus or toroid

• Catalan: toroidal (ca), toroïdal (ca) (superseded spelling)
• French: toroïdal (fr)
• Polish: toroidalny (pl)
• Russian: тороида́льный (ru) (toroidálʹnyj), торообра́зный (ru) (toroobráznyj)
• Spanish: toroidal
• Ukrainian: тороїда́льний (torojidálʹnyj), тороподі́бний (toropodíbnyj)

Anagrams

• idolator, rotoidal

Portuguese

Etymology

From toroide + -al.

Pronunciation

• (Brazil) IPA^(key): /to.ɾojˈdaw/ [to.ɾoɪ̯ˈdaʊ̯]

 

• (Portugal) IPA^(key): /tu.ɾojˈdal/ [tu.ɾojˈðaɫ]

• (Portugal) IPA^(key): /tu.ɾojˈdal/ [tu.ɾojˈðaɫ]
  • (Southern Portugal) IPA^(key): /tu.ɾojˈda.li/

• Rhymes: (Portugal) -al, (Brazil) -aw
• Hyphenation: to‧roi‧dal

Adjective

toroidal m or f (plural toroidais)

1. toroidal

Further reading

• “toroidal”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “toroidal”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Romanian

Etymology

Borrowed from German torroidal.

Adjective

toroidal m or n (feminine singular toroidală, masculine plural toroidali, feminine/neuter plural toroidale)

1. toroidal

Declension

Declension of toroidal

		singular			plural
		masculine	neuter	feminine	masculine	neuter	feminine
nominative- accusative	indefinite	toroidal		toroidală	toroidali	toroidale
	definite	toroidalul		toroidala	toroidalii	toroidalele
genitive- dative	indefinite	toroidal		toroidale	toroidali	toroidale
	definite	toroidalului		toroidalei	toroidalilor	toroidalelor

Spanish

Pronunciation

• IPA^(key): /toɾoiˈdal/ [t̪o.ɾoi̯ˈð̞al]
• Rhymes: -al
• Syllabification: to‧roi‧dal

Adjective

toroidal m or f (masculine and feminine plural toroidales)

1. toroidal

Further reading

• “toroidal”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), 24th edition, Royal Spanish Academy [Spanish: Real Academia Española], 30 October 2026