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avoirdupois weight
noun
- a system of weight measurement based on a pound of 16 ounces or 7,000 grains, in wide use in English-speaking countries; the system is used for goods other than gems, precious metals, and drugs: 27 11/32 grains = 1 dram; 16 drams = 1 ounce; 16 ounces = 1 pound; 112 pounds (Brit.) or 100 pounds (U.S.) = 1 hundredweight; 20 hundredweight = 1 ton. The pound contains 7000 grains. : av.; avdp.; avoir.
avoirdupois weight
/ ă′ər-ə-Ǿ′ /
- 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
51Թ History and Origins
Origin of avoirdupois weight1
Example Sentences
The precious metals, gold, silver, and platinum, are sold by the Troy ounce: the base metals are all handled and dealt with on avoirdupois weights.
Most people give gratitude in grains for whole ounces of avoirdupois weight; what a grateful soul yours is, Miss Lambert.'
The following tabular statement exhibits the actual avoirdupois weight of our equipments—a fair average being taken, some being more and some less than the estimate. lb. oz.
Brandy, or proof spirit, a quarter of a pint.Celery-seed bruised, half an ounce, avoirdupois weight.
One felt that each had measured the other by avoirdupois weight, and had found the balance even.
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