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Myriagram
The myriagram ((フランス語:myriagramme)) is a former French and metric unit of mass equal to 10,000 grams (''myriad'' being the Greek word for ten thousand). Although never as widely used as the kilogram, the myriagram was employed during the 19th century as a replacement for the earlier American customary system quarter, which was equal to . In 1975, the United States, having previously authorized use of the myriagram in 1866, declared the term no longer acceptable. ==See also==
* myria- * History of the International System of Units
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Myriagram」の詳細全文を読む
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