1. One of a series of organic chemical compounds in which a hydrogen (H) attached to carbon is replaced by a hydroxyl (OH); alcohol’s react with acids to form esters and with alkali metals to form alcoholates. For individual alcohol’s not listed here, see specific name.
2. CH3CH2OH; made from sugar, starch, and other carbohydrates by fermentation with yeast, and synthetically from ethylene or acetylene. It has been used in beverages and as a solvent, vehicle, and preservative; medicinally, it is used externally as a rubefacient, coolant, and disinfectant, and internally as an analgesic, stomachic, sedative, and antipyretic. Syn: ethanol, ethyl alcohol, grain alcohol, rectified spirit, wine spirit.
3. The azeotropic mixture of CH3CH2OH and water (92.3% by weight of ethanol at 15.56°C).
[Ar. al, the, + kohl, fine antimonial powder, the term being applied first to a fine powder, then, to anything impalpable (spirit)]