indole

From indigo +‎ Latin oleum (“oil”); see -ole.

• (Received Pronunciation, General American) IPA^(key): /ˈɪndəʊl/, /ˈɪndɒl/

Ball-and-stick model of indole molecule. Black ball = carbon; blue ball = nitrogen; white ball = hydrogen.

indole (plural indoles)

1. (organic chemistry) An organic compound, C₈H₇N, found in coal tar, and produced in the gut by the bacterial decomposition of tryptophan; it is an aromatic bicyclic heterocycle having a benzene ring fused with a pyrrole ring; indole and its derivatives occur widely in nature and have many industrial applications.

   Synonym: ketole

2. (organic chemistry) Any of the derivatives of indole.

indole (comparative more indole, superlative most indole)

1. (obsolete) guileless

• indole on Wikipedia.Wikipedia

• El Nido, Leonid, Liendo, dienol, doline, elonid, loined, olenid

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indole m (plural indoles)

1. indole

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

From Latin indolem.[1] Compare Spanish and Portuguese índole.

• IPA^(key): /ˈin.do.le/
• Rhymes: -indole
• Hyphenation: ìn‧do‧le

indole f (plural indoli)

1. nature, disposition, character

   Synonyms: natura, carattere

   • 1773, Pietro Verri, chapter XIII, in Discorso sull'indole del piacere e del dolore [Discourse on Pleasure and Pain]:

     Ecco perché altresí il piacere per sua indole debb’esser breve, né può protraersi oltre un corto spazio; laddove il dolore può essere tanto lungo e durevole quanto la vita che ci può togliere; perché una azione positiva sopra di noi non ha altri confini di tempo che la nostra sensibilità; […]

     (please add an English translation of this quotation)

indole

1. ablative singular of indolēs