cetona

Catalan

Etymology

Borrowed from German Keton, from Aketon (“acetone”), from French acétone (“acetone”), from Latin acētum (“vinegar”), from aceō (“to be sour”), from Proto-Indo-European *h₂eḱ- (“sharp”).

Pronunciation

• IPA^(key): (Northern) [səˈtu.nə]
• IPA^(key): (Balearic, Central) [səˈto.nə]
• IPA^(key): (Valencia, Northwestern) [seˈto.na]

Noun

cetona f (plural cetones)

1. (organic chemistry) ketone

Further reading

• “cetona”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007
• “cetona”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2026
• “cetona” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.

Galician

Etymology

Borrowed from German Keton, from Aketon (“acetone”), from French acétone (“acetone”), from Latin acētum (“vinegar”), from aceō (“to be sour”), from Proto-Indo-European *h₂eḱ- (“sharp”).

Pronunciation

 

• IPA^(key): /θeˈtona/ [θeˈt̪o.nɐ]

• IPA^(key): (standard) /θeˈtona/ [θeˈt̪o.nɐ]
• IPA^(key): (seseo) /seˈtona/ [seˈt̪o.nɐ]

• Rhymes: -ona
• Hyphenation: ce‧to‧na

Noun

cetona f (plural cetonas)

1. (organic chemistry) ketone

Further reading

• “cetona”, in Dicionario da Real Academia Galega (in Galician), A Coruña: Royal Galician Academy, 2012–2026
• “cetona”, in Dicionário Estraviz de galego (in Galician), 2014–2026
• Antón Luís Santamarina Fernández, Ernesto Xosé González Seoane, María Álvarez de la Granja, editors (2003–2018), “cetona”, in Tesouro informatizado da lingua galega (in Galician), Santiago de Compostela: Instituto da Lingua Galega

Portuguese

Etymology

Borrowed from German Keton, from Aketon (“acetone”), from French acétone (“acetone”), from Latin acētum (“vinegar”), from aceō (“to be sour”), from Proto-Indo-European *h₂eḱ- (“sharp”).

Pronunciation

 

• (Brazil) IPA^(key): /seˈtõ.nɐ/

• (Brazil) IPA^(key): /seˈtõ.nɐ/
  • (Southern Brazil) IPA^(key): /seˈto.na/

• (Portugal) IPA^(key): /sɨˈto.nɐ/

Noun

cetona f (plural cetonas)

1. (organic chemistry) ketone (organic chemicals with the >CO functional group)

Related terms

• acetona

Further reading

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

Spanish

Etymology

Borrowed from German Keton, from Aketon (“acetone”), from French acétone (“acetone”), from Latin acētum (“vinegar”), from aceō (“to be sour”), from Proto-Indo-European *h₂eḱ- (“sharp”).

Pronunciation

• IPA^(key): /θeˈtona/ [θeˈt̪o.na] (Equatorial Guinea, Spain)
• IPA^(key): /seˈtona/ [seˈt̪o.na] (Latin America, Philippines)
• Rhymes: -ona
• Syllabification: ce‧to‧na

Noun

cetona f (plural cetonas)

1. (organic chemistry) ketone

Related terms

• acetona
• cetosis

Further reading

• “cetona”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025