ounce

Universal Words noun 1 [C] (abbreviation oz) a unit for measuring weight, /16 of a pound, equal to 28.35 grams seealsoFLUIDOUNCE 2 [sing.] ~ of sth (informal) (used especially with negatives) a very small quantity of sth: There's not an ounce of truth in her story. IDIOMS see PREVENTION