avoirdupois ounce

This volume of water weighs very nearly 1 avoirdupois ounce.

One troy ounce is equivalent to approximately 1.09714 avoirdupois ounces.

This volume of water weighs about 1.04 avoirdupois ounces.

The avoirdupois ounce is the most commonly used ounce today.

The Roman pound, it must be remembered, contained only twelve of our avoirdupois ounces.

Avoirdupois ounces per cubic inch (oz/cu in)

Commonly encountered in daily life is the avoirdupois ounce, an Imperial weight in countries still using British weights and measures or United States customary units.

To maintain purity standards and common measures across time, the troy ounce was retained over the avoirdupois ounce in the weighing and pricing of gold, platinum, silver.

Since an avoirdupois ounce corresponds to 28.35 g, the proposed system was very similar to that in use in Portugal and Spain, and in some locations in Italy.

The "ounce" in "ounce-force" is equivalent to an avoirdupois ounce; ounce-force is a measurement of force using avoirdupois ounces.

To unify all weight systems used by apothecaries, the Irish pharmacopœia of 1850 introduced a new variant of the apothecaries' system which subdivided a new apothecaries' pound of 12 avoirdupois ounces instead of the troy pound.

A possible source of confusion is that gold is often priced on the open market in the more traditional troy ounce (one troy ounce is exactly 31.1034768 grams, which is larger than the avoirdupois ounce generally in use in the United States and has a mass of 28.35 grams).

Later standardization would change the ounce to 1/16 of a pound (the avoirdupois ounce), but the troy ounce, which is 1/12 of a troy pound (note that a troy pound is lighter than an avoirdupois pound), has been retained for the measure of precious metals.

Annually drenching the soil in an insecticidal soap; neem oil may be used as a repellent when diluted 1 teaspoon per litre of water and applied 300 ml per square meter of soil (4 teaspoons per US-gallon of water, applied 3 avoirdupois ounces per international square foot).