What is the abbreviation "oz" commonly used to denote?

The abbreviation "oz" is commonly used to denote an ounce, which is a unit of weight in the imperial system. One ounce is equivalent to 1/16 of a pound, and it is frequently used in measurements for food, beverages, and other substances. This abbreviation derives from the Italian word "onza," which also means ounce. Understanding this notation is important in various contexts, such as cooking, nutrition, and dispensing medications, where precise measurements are crucial for safety and accuracy. The other options do not represent the specific unit of measurement related to "oz," thereby establishing that "ounce" is the correct interpretation of this abbreviation.