What does 'oz' stand for?

The abbreviation 'oz' stands for ounce, which is a unit of weight commonly used in the United States and other countries that utilize the imperial system. One ounce is equivalent to approximately 28.35 grams. This unit of measurement is often used in cooking and for measuring ingredients, including medications in veterinary practice. Understanding measurement units like ounces is essential for accurately administering medications and ensuring proper dosages for animals. The other options refer to metric units of weight, which are not applicable in this context, as 'oz' specifically represents an ounce.