1. A colorless, volatile, pungent liquid; synthesized or derived from fermentation of sugars and starches, it can be burned as fuel, is used in industry and medicine, and is the intoxicating element of whiskey, wine, beer, and other fermented or distilled liquors. It is also called "ethyl alcohol".
2. Any of a series of hydroxyl compounds, the simplest of which are derived from saturated hydrocarbons, and include ethanol and methanol.

A tincture or other preparation containing alcohol.

1. Relating to, containing, or produced by alcohol.
2. One who suffers from alcoholism.
3. One who abuses or is dependent upon alcohol.

1. Chronic alcohol abuse, dependence, or addiction; chronic excessive drinking of alcoholic beverages resulting in impairment of health and/or social or occupational functioning, and increasing adaptation to the effects of alcohol requiring increasing doses to achieve and sustain a desired effect; specific signs and symptoms of withdrawal usually are shown when one stops such drinking.
2. "Alcohol dependence" (currently the preferred term); "alcohol addiction". The terms refer to a variety of disorders associated with the repetitive consumption of alcohol, usually over a long period of time, in amounts that the drinker is unable to handle physiologically, emotionally, or socially.

A morbid craving for alcohol.

A hydrometer or other device that determines the amount of alcohol in an aqueous (liquid) solution.

An "excessive" fondness for alcohol.

Splitting a chemical bond with the addition of the elements of alcohol at the point of splitting.