Also found in: Thesaurus.
Switch to new thesaurus
|Noun||1.||mass unit - a unit of measurement for mass |
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"
atomic mass unit - unit of mass for expressing masses of atoms or molecules
avoirdupois unit - any of the units of the avoirdupois system of weights
slug - a unit of mass equal to the mass that accelerates at 1 foot/sec/sec when acted upon by a force of 1 pound; approximately 14.5939 kilograms