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see English units of measurementEnglish units of measurement,
principal system of weights and measures used in a few nations, the only major industrial one being the United States. It actually consists of two related systems—the U.S.
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in zoology: see leopardleopard,
large carnivore of the cat family, Panthera pardus, widely distributed in Africa and Asia. It is commonly yellow, buff, or gray, patterned with black spots and rings. The rings, unlike those of the New World jaguar, never have spots inside them.
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(1) A unit of weight in the English system of measures. One ounce equals 16 drams = 437.5 grains = 28.3495 g.

(2) A unit of apothecaries’ weight. The apothecaries’ ounce contains 8 drams or 24 scruples; the Russian apothecaries’ ounce was equal to 29.860 g. In the English system of measures, the apothecaries’ ounce, as well as the troy ounce (a measure of weight for precious metals), is equal to 31.1035 g.

(3) Fluidounce, a measure of volume, equivalent to 8 fluidrams. The fluid ounce corresponds to 29.5737 cm3 in the USA or to 28.413 cm3 in Great Britain.


A unit of mass in avoirdupois measure equal to ¹⁄₁₆ pound or to approximately 0.0283495 kilogram. Abbreviated oz.
A unit of mass in either troy or apothecaries' measure equal to 480 grains or exactly 0.0311034768 kilogram. Also known as apothecaries' ounce or troy ounce (abbreviations are oz ap and oz t in the United States, and oz apoth and oz tr in the United Kingdom).


1. a unit of weight equal to one sixteenth of a pound (avoirdupois); 1 ounce is equal to 437.5 grains or 28.349 grams
2. a unit of weight equal to one twelfth of a Troy or Apothecaries' pound; 1 ounce is equal to 480 grains or 31.103 grams
3. short for fluid ounce
References in periodicals archive ?
For its fiscal year ending September, Lonmin should attain its production target of 1 million ounces of platinum in concentrate, with planned sales of 950,000 to 960,000 ounces.
Consumers who eat a more-realistic two ounces of Dietz's Tavern or Cooked Ham, for example, will get 580 mg of sodium, despite the heart-disease claim.
From the Cotton Bay Club on Eleuthera in the Bahamas comes the BAHAMA MAMA: Pour 1 ounce of light rum and 1 1/2 ounces coconut rum in a shaker.
Even more substantial is a FROSTED FRUIT YOGURT: Combine one cup of sliced or diced fresh fruit--apricot, melon, peach, mango or strawberry--four ounces of plain yogurt or buttermilk, one teaspoon of honey, one-half teaspoon of fresh lemon juice, one-quarter teaspoon of grated lemon rind and four ounces of crushed ice.
To make a CHARTREUSE COOLER: Pour one ounce of rum and one ounce of chartreuse liqueur into a glass; and ice and fill with tonic water.
Mix until combined, add 4 1/2 ounces of the sugar and egg yolks, scraping down the sides of the bowl.
In 2006, the Julietta Mine is projected to produce approximately 88,000 ounces of gold with an operating cash cost of $235 per ounce(4) and a total cash cost of $287 per ounce(4).
4-million ounce gold resource at Copler (of which 3.
Production for the remainder of the year is expected to exceed 50,000 ounces.
34 million ounces with a market value of $1,029 million at current gold prices of $440 an ounce.
The transaction, when completed, will add approximately 500,000 ounces of platinum and 7.
Description: Two ounces of Jose Cuervo Gold tequila and two ounces of Alize (passion fruit and cognac liqueur) are mixed with an ounce of Grand Marnier and two ounces of sweet and sour with ice.