cetona

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”).

cetona f (plural cetonas)

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

• acetona

• “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

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”).

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

cetona f (plural cetonas)

1. (chemistry) ketone

• “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