クマリンクマリンMeanings1nouncoumarinchemistryA fragrant organic compound found in many plants, used in perfumes and as a precursor to anticoagulants.クマリンはシナモンやトンカ豆まめに含ふくまれる芳ほう香こう成せい分ぶんです。Coumarin is an aromatic compound found in cinnamon and tonka beans.