(chemical analysis) a counterweight used in chemical analysis; consists of an empty container that counterbalances the weight of the container holding chemicals
the weight of a motor vehicle, railroad car, or aircraft without its fuel or cargo
weedy annual grass often occurs in grainfields and other cultivated land; seeds sometimes considered poisonous
any of several weedy vetches grown for forage
an adjustment made for the weight of the packaging in order to determine the net weight of the goods
