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Related to cumarin: coumarin, warfarin


A fragrant crystalline compound, C9H6O2, present in tonka beans and produced synthetically for use as a fragrance. Coumarin has been banned as a food additive in the United States because it can be toxic in large amounts.

[French coumarine, from coumarou, tonka bean tree, from Spanish coumarú, from Portuguese cumaru, from Tupí cumarú, commaru.]

cou′ma·ric (-mər-ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈkuːmərɪn) or


(Elements & Compounds) a white vanilla-scented crystalline ester, used in perfumes and flavourings and as an anticoagulant. Formula: C9H6O2
[C19: from French coumarine, from coumarou tonka-bean tree, from Spanish cumarú, from Tupi]
ˈcoumaric, ˈcumaric, coumarilic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈku mə rɪn)

a fragrant crystalline compound, C9H6O2, used chiefly in soaps and perfumery.
[1820–30; < French coumarine=coumar(ou) tonka-bean tree (< Sp cumarú < Portuguese < Tupi cumaru) + -ine -in1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Woolf did not visit Ireland until 1934, but her diary record of her time there--with Fianna Fail republicanism on the rise and the Ascendancy "hating the Irish Free State" (1984,212) and clinging to what remained of its property under an evanescent Cumarin na nGaedheal majority--reflects precisely these concerns.
It can be concluded that the antioxidant activity is caused not only by phenolic contents but also by other compounds such as polyhydroxy flavonoids, cumarin, ferulic acid, carotenoid, quinone, saponin, alkaloid, and tanins.
HPLC characterization of mango kernel oil showed that the occurrence of tannin and vanillin, gaillic acid, cumarin, caffeic acid, mangiferrin, ferrolic acid and cinamic acid [29].
EM + NPK gave the highest percentage of rutin or cumarin in rue leaves the yeast combined with NPK treatment produced the largest production of the two compounds/ plant, as compared to other fertilizer treatments, [43]
Wirkungen von Cumarin auf Wachstums- and Entwicklungsvorgange and seine Wanderungsfahigkeit im Pflanzengewebe.
Recent studies have developed in-line systems that use different tracers and detection techniques, such as monitoring fluorescence using cumarin 30(3), Ca[CO.sub.3] through ultrasonic attenuation (4), carbon black via infrared emission measured with an IR-thermometer (5, 6), Ti[O.sub.2] by optical reflectivity (7, 8), carbon black by laser transmittance (9) and recently following the fluorescence emission of anthracene grafted onto the polymer chains (10, 11).
The taste of the oil has been compared to vanilla and cumarin.