metric unit

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Noun

1.

metric unit - a decimal unit of measurement of the metric system (based on meters and kilograms and seconds); "convert all the measurements to metric units"; "it is easier to work in metric" metric unit, unit of measurement - any division of quantity accepted as a standard of measurement or exchange; "the dollar is the United States unit of currency"; "a unit of wheat is a bushel"; "change per unit volume" metric capacity unit - a capacity unit defined in metric terms metric linear unit - a linear unit of distance in metric terms metric weight unit, weight unit - a decimal unit of weight based on the gram