| the act of decomposing a substance into its constituent elements | (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 |
| | any of several weedy vetches grown for forage |
| | weedy annual grass often occurs in grainfields and other cultivated land; seeds sometimes considered poisonous |
| | an adjustment made for the weight of the packaging in order to determine the net weight of the goods |