grain alcohol - the intoxicating agent in fermented and distilled liquors; used pure or denatured as a solvent or in medicines and colognes and cleaning solutions and rocket fuel; proposed as a renewable clean-burning additive to gasolineneutral spirits, ethyl alcohol - nonflavored alcohol of 95 percent or 190 proof used for blending with straight whiskies and in making gin and liqueurs gasohol - a gasoline substitute consisting of 90% gasoline and 10% grain alcohol from corn alcohol - any of a series of volatile hydroxyl compounds that are made from hydrocarbons by distillation denatured alcohol - ethyl alcohol that is unfit for drinking but is still useful for other purposes |