Ethanol — Ethyl alcohol (C<sub>2</sub>H<sub>5</sub>OH) 1 topic · 1 source ScienceEnergyA colorless liquid that is the product of fermentation used in alcoholic beverages, industrial processes, and as a fuel additive. Also known as grain alcohol.US DOE Office of Energy Efficiency & Renewable Energy — Glossary of Energy-Related Terms retrieved 2014-05-26 Cite