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It survived as the Byzantine liquid ounce (Ancient Greek: οὐγγία, oungía) and the origin of the English inch, ounce, and fluid ounce. The Roman inch was equal to 1 ⁄ 12 of a Roman foot (pes), which was standardized under Agrippa to about 0.97 inches or 24.6 millimeters. [citation needed] The Roman ounce was 1 ⁄ 12 of a Roman pound. [1]
An ounce-force is 1 ⁄ 16 of a pound-force, or about 0.2780139 newtons. It is defined as the force exerted by a mass of one avoirdupois ounce under standard gravity (at the surface of the earth, its weight). The "ounce" in "ounce-force" is equivalent to an avoirdupois ounce; ounce-force is a measurement of force using avoirdupois ounces.
A metric ounce is an approximation of the imperial ounce, US dry ounce, or US fluid ounce. These three customary units vary. However, the metric ounce is usually taken as 25 or 30 ml (0.88 or 1.06 imp fl oz; 0.85 or 1.01 US fl oz) when volume is being measured, or in grams when mass is being measured.
How many ounces in a cup? There are 8 fluid ounces in a cup. How many ounces in a gallon? There are 128 fluid ounces in a gallon. Is distilled water safe to drink? Here's what to know about ...
In the 18th century, the table-spoon became an unofficial unit of the apothecaries' system of measures, equal to 4 drams ( 1 / 2 fl oz, 14.8 ml). It was more commonly known by the Latin name cochleare majus (abbreviated cochl. maj.) or, in apothecaries' notation, f℥ss or f℥ß (fluid ℥, i.e. ounce, semis, one-half). [13] [14] [15]
In the apothecaries' system, which was widely used in the United States until the middle of the 20th century, [15] the dram is the mass of 1 ⁄ 96 pounds apothecaries (lb ap), or 1 ⁄ 8 ounces apothecaries (oz ap or ℥) [5]: C-7 (the pound apothecaries and ounce apothecaries are equal to the troy pound (lb t), and troy ounce (oz t ...
Like other similar measures such as tael and catty, the English word "mace" derives from Malay, in this case through Dutch maes, plural masen, from Malay mas which, in turn, derived from Sanskrit māṣa (माष), a word related to "mash," another name for the urad bean, and masha, a traditional Indian unit of weight equal to 0.97 gram. [5]
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