Terpenes are a diverse group of organic compounds found in nature. They are commonly found in plants, insects, and even some animals. Because of their unique chemical composition, they are often used in products ranging from fragrances and flavorings to medicinal treatments. Synonyms for the word terpene include hydrocarbons, terpoids, and isoprenoids. Other terms used to describe these compounds include essential oils, fragrant oils, and aroma compounds. Additionally, terpenes are often classified based on their specific chemical structure, with common categories including monoterpenes, sesquiterpenes, and diterpenes. Regardless of the terminology used, these compounds play a crucial role in the natural world and are an important area of research for scientists and industry professionals alike.