indole

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See also: índole

English[edit]

Etymology[edit]

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

Pronunciation[edit]

Ball-and-stick model of indole molecule. Black balls represent carbon atoms; the blue ball represents a nitrogen atom; and white balls represent hydrogen atoms.

Noun[edit]

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 indole1.

Hyponyms[edit]

Derived terms[edit]

Translations[edit]

Adjective[edit]

indole (comparative more indole, superlative most indole)

  1. (obsolete) guileless

Further reading[edit]

Anagrams[edit]


Italian[edit]

Etymology[edit]

From Latin indolem, accusative form of indolēs.[1] Compare Spanish and Portuguese índole.

Pronunciation[edit]

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

Noun[edit]

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 quote)

References[edit]

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

Latin[edit]

Noun[edit]

indole

  1. ablative singular of indolēs