Fermentation alcohol is a type of alcohol produced through the process of fermentation. There are various synonyms for this term, including ethyl alcohol, ethanol, grain alcohol, and drinking alcohol. Ethyl alcohol is the most common synonym and is widely used in the medical field. The term ethanol is also commonly used in the chemical industry as it is the primary alcohol used in alcoholic beverages and fuel. Grain alcohol is a synonym that refers to ethanol distilled from grain, while drinking alcohol is often used colloquially to refer to any beverage containing ethanol that is consumed for recreational purposes. Overall, these synonyms are interchangeable and refer to the same type of alcohol produced through fermentation.