indole

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

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

• Audio (Southern England):

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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

   • 1990, Song Liu, Syntheses of Aspidosperma Alkaloids, page 2:

     The Aspidosperma alkaloids are the largest group of indole alkaloids.

   • 1999, Lars Ove Dragsted, Naturally Occurring Antitumourigens‎^[1], page 41:

     Intakes of indoles or their parental glucosinolates, may have beneficial health effects as well as toxicological effects.

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

• Audio:

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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