"Coumarin" Natural Recordings by Native Speakers
Coumarin is a sweet-smelling, white to pale-yellow crystalline substance extracted from the tonka bean, a legume native to South America. It is often used in perfumes, fragrances, and flavorings, particularly in baked goods, desserts, and beverages.
Here are 5 usage examples based on the word "coumarin":
Coulsdon is a area in the London Borough of Croydon, England. The name "Coulsdon" is thought to derive from the Old English "Cudel's Dūn", which refers to a hill or mound belonging to someone called Cudel. Today, Coulsdon is a suburban area with a mix of residential and commercial properties, known for its pleasant surroundings and popular parks.
Coulure is a French term that refers to a defect in the growth of certain crops, particularly wheat, where the grains fail to develop due to a lack of sunlight or inadequate temperature conditions during a critical growth stage, resulting in uneven or misshapen grains.
Coumaric acid is a type of phenolic compound, which is a class of organic compounds characterized by having a hydroxyl group (-OH) attached to a benzene ring. In the case of coumaric acid, the hydroxyl group is attached to the 3-position of the benzene ring, making it a 3-hydroxy-2H-chromen-2-one.