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Definition of Coumarin
1. n. The concrete essence of the tonka bean, the fruit of Dipterix (formerly Coumarouna) odorata and consisting essentially of coumarin proper, which is a white crystalline substance, C9H6O2, of vanilla-like odor, regarded as an anhydride of coumaric acid, and used in flavoring. Coumarin in also made artificially.
Definition of Coumarin
1. Noun. (organic compound) the bicyclic aromatic compound 1,2-benzopyrone or any of its derivatives ¹
¹ Source: wiktionary.com
Definition of Coumarin
1. a chemical compound [n -S] : COUMARIC [adj]
Medical Definition of Coumarin
1.