avoirdupois weight

avoirdupois weight

n.

A system of weights and measures based on a pound containing 16 ounces or 7,000 grains and equal to 453.59 grams.

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avoirdupois weight  (vr-d-poiz)

A system of weights and measures based on a pound containing 16 ounces or 7,000 grains, and equal to 453.59 grams. Avoirdupois weight is used in the United States to weigh everything except gems, precious metals, and drugs. Compare troy weight.

Thesaurus

Noun

1.

avoirdupois weight - a system of weights based on the 16-ounce pound (or 7,000 grains) avoirdupois system of weights, weight - a system of units used to express the weight of something avoirdupois unit - any of the units of the avoirdupois system of weights