A fragrant crystalline compound, C9H6O2, extracted from several plants, such as tonka beans and sweet clover, or produced synthetically and widely used in perfumes.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "coumarin" in a sentence
"The aromatic compound in bison grass is called coumarin."
"Cassia has a chemical called coumarin which could be toxic."
"Professor Link isolated the hemorrhaging agent, an anticoagulant called coumarin, in spoiled sweet clover hay."