indole

See also: índole

English

Etymology

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

Pronunciation

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

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

Noun

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

• acemetacin
• atevirdine
• cediranib
• dirlotapide
• dolasetron
• gramine
• indalpine
• indican
• indoleamine
• indolequinone
• indometacin
• indoxyl
• isoindole
• mebhydrolin
• monatin
• naltrindole
• oxametacin
• paxilline
• pindolol
• ramosetron
• sertindole
• sumatriptan
• tenidap
• tropisetron

Derived terms

• azaindole
• bisindole
• bromoindole
• diindole
• fendosal
• Fischer indole synthesis
• indisetron
• indolamine
• indolate
• indoleacetic
• indoleacetic acid
• indoleamine
• indolebutyric acid
• indolic
• indolyl
• indoyl
• isoindole
• methylindole
• naphthoylindole
• nitroindole
• phenylindole
• phytoindole
• pyrroloindole
• ropinirole
• spiroindole
• tetraindole
• triindole

 

Translations

organic compound

• Afrikaans: indool
• Arabic: إندول
• Chinese:

  Cantonese: 吲哚 (jan⁵ do²)

  Mandarin: 吲哚 (zh) (yǐnduǒ)

• Danish: indol ?
• Dutch: indool ?
• Esperanto: indolo
• Finnish: indoli
• French: indole (fr) m
• German: Indol n
• Hungarian: indol
• Indonesian: indol (id)
• Italian: indolo (it) m
• Japanese: インドール (indōru)
• Kannada: ಇಂಡೋಲ್ (iṇḍōl)
• Kazakh: индол (indol)
• Korean: 인돌 (indol)
• Kyrgyz: индол (indol)
• Malayalam: ഇൻഡോൾ (iṉḍōḷ)
• Norwegian:

  Bokmål: indol ?

  Nynorsk: indol ?

• Persian: ایندول
• Polish: benzopirol m, indol (pl) m
• Portuguese: indol (pt) m
• Romanian: indol (ro) m
• Russian: индо́л (ru) m (indól)
• Serbo-Croatian: indol ?
• Spanish: indol m
• Swedish: indol ?
• Thai: อินโดล
• Ukrainian: індол ? (indol)

Adjective

indole (comparative more indole, superlative most indole)

1. (obsolete) guileless

Further reading

• indole on Wikipedia.Wikipedia

Anagrams

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

French

Pronunciation

• Audio:

  (file)

Noun

indole m (plural indoles)

1. indole

Further reading

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

Italian

Etymology

From Latin indolem. Compare Spanish and Portuguese índole.

Pronunciation

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

Noun

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)

Latin

Noun

indole

1. ablative singular of indolēs