ˈɛ.θə.nɒl ˈɛ.θə.nɑl nonflavored alcohol of 95 percent or 190 proof used for blending with straight whiskies and in making gin and liqueurs 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 gasoline