Ounce derives from the Ancient Roman uncia (meaning: a twelfth), a unit in the Ancient Roman units of measurement weighing about 27.4 grams or 96.7% of an avoirdupois ounce, [1] that …

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.

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

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

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

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 …

An ounce (abbreviated as oz) is the smallest unit of weight in the US customary and imperial systems of measurement. It equals one-sixteenth of a pound, meaning there are 16 16 ounces …

The ounce 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.