A colorless, volatile, flammable liquid, synthesized or obtained by fermentation of sugars and starches and widely used,Poisonous! either pure or denatured, as a solvent and in numerous manufactures as well as in intoxicating beverages. Types include absolute alcohol, ethanol, ethyl alcohol (solvent for shellac and some other resins), grain alcohol, denatured alcohol (inexpensive, because not taxed, and readily available, this is the type artists use most.) Flammable!Denatured alcohol is ethyl alcohol to which a poisonous substance, such as acetone or methanol, has been added to make it unfit for consumption. Also an alcohol, although from other compounds, is methanol (also known as methyl alcohol, wood alcohol), whose liquid and vapors are highly toxic.Also see stain and stain removal.