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cumarin

[koo-muh-rin]
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noun Chemistry.
  1. coumarin.
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coumarin

or cu·ma·rin

[koo-muh-rin]
noun
  1. a fragrant crystalline substance, C9H6O2, obtained from the tonka bean, sweet clover, and certain other plants or prepared synthetically, used chiefly in soaps and perfumery.
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Origin of coumarin

1820–30; < French coumarine, equivalent to coumar(ou) tonka-bean tree (< Spanish cumarú < Portuguese < Tupi cumaru) + -ine -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for cumarin

Historical Examples

  • One ounce of cumarin is equal to four pounds of tonka beans.

    Creative Chemistry

    Edwin E. Slosson


British Dictionary definitions for cumarin

coumarin

cumarin

noun
  1. a white vanilla-scented crystalline ester, used in perfumes and flavourings and as an anticoagulant. Formula: C 9 H 6 O 2
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Derived Formscoumaric or cumaric, adjective

Word Origin

C19: from French coumarine, from coumarou tonka-bean tree, from Spanish cumarú, from Tupi
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

cumarin in Science

coumarin

[kōōmər-ĭn]
  1. A fragrant crystalline compound extracted from several plants, such as tonka beans and sweet clover, or produced synthetically. Coumarin and its derivatives are widely used in perfumes, as anticoagulants, and as rodenticides. Chemical formula: C9H6O2.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.