- The ounce (abbreviated: oz, the old Italian word onza, now spelled oncia; apothecary symbol: ?) is a unit of mass with several definitions, the most commonly used of which are equal to approximately 28 grams.
- A unit of one twelfth of a pound troy or apothecaries' measure, equal to 480 grains (approximately 31 grams)
- A very small amount of something
- a unit of apothecary weight equal to 480 grains or one twelfth of a pound
- snow leopard: large feline of upland central Asia having long thick whitish fur
- A unit of weight of one sixteenth of a pound avoirdupois (approximately 28 grams)