The ounce (/ ˈaʊns /) is any of several different units of mass, weight, or volume and is derived almost unchanged from the uncia, an Ancient Roman unit of measurement. The avoirdupois …

The meaning of OUNCE is a unit of weight equal to 1/12 troy pound. How to use ounce in a sentence.

An ounce is a unit of weight used in Britain and the USA. There are sixteen ounces in a pound and one ounce is equal to 28.35 grams.

Oct 23, 2025 · ounce, unit of weight in the avoirdupois system, equal to 1/16 pound (437 1/2 grains), and in the troy and apothecaries’ systems, equal to 480 grains, or 1/12 pound.

OUNCE meaning: 1. a unit of weight equal to approximately 28 grams: 2. a very small amount: 3. a unit of weight…. Learn more.

Definition of ounce noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Dec 11, 2025 · The ounce, a leopard-like creature, is dreaded for its depredations by the Indians of Brazil.

An ounce (oz) is a unit of weight/mass in the imperial and U.S. customary systems of measurement. It is not to be confused with the fluid ounce, a unit of volume, which also uses …

oz. a unit of weight equal to one sixteenth of a pound (avoirdupois); 1 ounce is equal to 437.5 grains or 28.349 grams a unit of weight equal to one twelfth of a Troy or Apothecaries' pound; …

OUNCE definition: 1. a unit of weight equal to approximately 28 grams: 2. a very small amount: 3. a unit of weight…. Learn more.