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Wiktionary

indole

See also: índole

English

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Etymology

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

Pronunciation

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

Noun

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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.

Hyponyms

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Derived terms

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Translations

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Adjective

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indole (comparative more indole, superlative most indole)

  1. (obsolete) guileless

Further reading

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Anagrams

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French

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Pronunciation

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  • Audio:(file)

Noun

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indole m (plural indoles)

  1. indole

Further reading

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Italian

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Etymology

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

Pronunciation

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

Noun

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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)

References

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  1. ^ indole in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana

Latin

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Noun

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indole

  1. ablative singular of indolēs
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