Standard drink is a term used to describe the amount of alcohol present in a beverage. However, there are several synonyms used to refer to this term. One of these is a unit of alcohol, which is equivalent to 10 milliliters or 8 grams of pure alcohol. Another synonym is a drink-equivalent, which is a measure used to compare the alcohol content of different beverages. A serving size is also a commonly used synonym for a standard drink since it refers to the amount of a drink a person is expected to consume at a time. Finally, a standard unit is also used to refer to a standard drink, especially in the context of regulating alcohol consumption.