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The term, yard derives from the Old English gerd, gyrd etc., which was used for branches, staves and measuring rods. [5] It is first attested in the late 7th century laws of Ine of Wessex, [6] where the "yard of land" mentioned [6] is the yardland, an old English unit of tax assessment equal to 1 ⁄ 4 hide.
Den is a direct measure of linear density. [5] dtex (deci-tex): Grams per 10,000 metres of yarn. Dtex is a direct measure of linear density. [5] gr/yard: Grains per yard of yarn. Gr/yard is a direct measure of linear density, but is rarely used in the modern textile industry. ECC or NeC or Ne (English Cotton Count): The number of 840 yd lengths ...
A hand is a unit of length used to measure the height of horses. One hand is four inches, and a value of 12.3 hands represents 12 hands + 3 inches (51 inches). Output name
A unit of length refers to any arbitrarily chosen and accepted reference standard for measurement of ... systems is the yard, ... or 1760 yards 1609.344 ...
For measuring length, the U.S. customary system uses the inch, foot, yard, and mile, which are the only four customary length measurements in everyday use.From 1893, the foot was legally defined as exactly 1200 ⁄ 3937 m (approximately 0.304 8006 m). [13]
A unit of measurement that applies to money is called a unit of account in economics and unit of measure in accounting. [5] This is normally a currency issued by a country or a fraction thereof; for instance, the US dollar and US cent (1 ⁄ 100 of a dollar), or the euro and euro cent.
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As a practical matter the British definitions were reversed, resulting in a de facto definition of the imperial yard as 36/39.370113 meter. [6] In the 1890s, Albert Michelson began conducting experiments in interferometry that led in 1903 to demonstrating the feasibility of using light waves as units of linear measurement. In 1908, two teams of ...