adenina

From Spanish adenina (“adenine”).

• IPA^(key): /adenina/ [a.ð̞e.ni.na]
• Rhymes: -ina, -a
• Hyphenation: a‧de‧ni‧na

adenina inan

1. (biochemistry, genetics) adenine (a base, C₅H₅N₅, found in certain glands and tissues, which pairs with thymine in DNA and uracil in RNA)

• “adenina”, in Euskaltzaindiaren Hiztegia [Dictionary of the Basque Academy] (in Basque), Euskaltzaindia [Royal Academy of the Basque Language]

adenina f (uncountable)

1. (biochemistry, genetics) adenine (a base, C₅H₅N₅, found in certain glands and tissues, which pairs with thymine in DNA and uracil in RNA)

From adeno- +‎ -ina.

• IPA^(key): /a.deˈni.na/
• Rhymes: -ina
• Hyphenation: a‧de‧nì‧na

adenina f (plural adenine)

1. (biochemistry, genetics) adenine (a base, C₅H₅N₅, found in certain glands and tissues, which pairs with thymine in DNA and uracil in RNA)

   Synonym: vitamina B4

From Ancient Greek ἀδήν (adḗn, “gland”) +‎ -ina.^[1][2] First attested in 1885.^[3]

• IPA^(key): /a.dɛˈɲi.na/

• Audio:

  (file)

• Rhymes: -ina
• Syllabification: a‧de‧ni‧na

adenina f

1. (biochemistry, genetics) adenine (a base, C₅H₅N₅, found in certain glands and tissues, which pairs with thymine in DNA and uracil in RNA)

   nukleotydy adeniny ― adenine nucleotides

• adenina in Polish dictionaries at PWN
• adenina in Narodowy Fotokorpus Języka Polskiego

From German Adenin, from Ancient Greek ἀδήν (adḗn, “gland”) + -ina.

• Hyphenation: a‧de‧ni‧na

adenina f (plural adeninas)

1. (biochemistry, genetics) adenine (a base, C₅H₅N₅, found in certain glands and tissues, which pairs with thymine in DNA and uracil in RNA)

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

Borrowed from German Adenin, from Ancient Greek ἀδένος (adénos, “gland”) +‎ -ina.

• IPA^(key): /adeˈnina/ [a.ð̞eˈni.na]
• Rhymes: -ina
• Syllabification: a‧de‧ni‧na

adenina f (plural adeninas)

1. (biochemistry, genetics) adenine (a base, C₅H₅N₅, found in certain glands and tissues, which pairs with thymine in DNA and uracil in RNA)

   Hypernym: purina

   Coordinate term: guanina

   • 2022 June 3, Sandee LaMotte, “El efecto 'Benjamin Button': científicos logran revertir el envejecimiento en ratones. El objetivo es hacer lo mismo con los humanos”, in CNN en Español‎^[2]:

     Sinclair también toma 1 gramo de NMN, o mononucleótido de nicotinamida, que en el cuerpo se convierte en NAD+, o dinucleótido de nicotinamida y adenina.

     (please add an English translation of this quotation)

• “adenina”, 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