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avoirdupois weight

noun
1.
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.
Abbreviation: av.; avdp.; avoir.
Origin of avoirdupois weight
1610-1620
1610-20
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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avoirdupois weight in Medicine

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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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avoirdupois weight in Science
avoirdupois weight
  (āv'ər-də-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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Difficulty index for avoirdupois weight

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Word Value for avoirdupois

0
20
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