Aroma is a word used to describe a fragrant scent that pleases the nose in a way that makes you lick your lips. It is often used to describe pleasant-smelling odors and is frequently used in the food and cosmetic industry to describe floral scents or to refer to perfumes. Aroma is distinctive, pervasive, and usually pleasant or savory smelling. The term aroma is often related to food or drink, but it can also apply to things like wine, coffee, and spices. Aroma can also refer to the combination of smells and flavors that are experienced while eating or drinking, especially when it comes to wine tasting. In scientific terms, aroma and fragrance refer to volatile chemical compounds that our olfactory system perceives as smells. The human sense of smell can distinguish between a diverse range of odors, and studies have reported that humans can distinguish in the region of one trillion unique aromas.