Any of various units of volume used for liquid measure, all approximately 1.73–1.83 cubic inches or 28.4–30 milliliters.

A unit of weight in the avoirdupois system of units, equal to one sixteenth of a avoirdupois pound.

25 grams. / 30 grams.

A bar of pure gold that weighs one troy ounce

Alternative spelling of metric ounce

(informal) The quality of being bouncy or exuberant. / (informal) Efficiency or effectiveness; bang for the buck.

(rare) Alternative form of an ounce of prevention is better than a pound of cure

(idiomatic, US) Drinking beer.

(idiomatic) The activity of drinking beer.

Alternative form of an ounce of prevention is better than a pound of cure