avoirdupois /av·oir·du·pois/ (av″er-dah-poiz´) (av-wahr″doo-pwah´) see under weight.
av·oir·du·pois ( v  r-d-poiz )n. Avoirdupois weight. |
avoirdupois
a system of weight used in English-speaking countries for all commodities except drugs, precious stones and precious metals. See also Table 4.1. Now largely superseded by the metric system.
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