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.

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 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.

ounce 1 (aʊns) n. 1. a unit of weight equal to 437.5 grains or 1/16 of a pound (28.349 grams) avoirdupois. 2. a unit of weight equal to 480 grains or 1/12 of a pound (31.103 grams) troy or …

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 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.

Discover how ounces are used in mathematics, including key unit conversions between pounds, grams, and tons. Learn step-by-step solutions for converting between measurement systems, …