avdp

Dictionary.com Unabridged

avoirdupois weight

noun
the system of weights in British and U.S. use 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:
1610–20

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Avdp is always a great word to know.
So is gobo. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
Collins
World English Dictionary
avdp.
 
abbreviation for
avoirdupois

avoirdupois or avoirdupois weight (ˌævədəˈpɔɪz, ˌævwɑːdjuːˈpwɑː, ˌævədəˈpɔɪz, ˌævwɑːdjuːˈpwɑː) [Click for IPA pronunciation guide]
 
n
avdp, Abbreviation: avoir a system of weights used in many English-speaking countries. It is based on the pound, which contains 16 ounces or 7000 grains. 100 pounds (US) or 112 pounds (Brit) is equal to 1 hundredweight and 20 hundredweights equals 1 ton
 
[C14: from Old French aver de peis goods of weight]
 
avoirdupois weight or avoirdupois weight
 
n
 
[C14: from Old French aver de peis goods of weight]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

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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American Heritage
Science Dictionary
avoirdupois weight   (āv'ər-də-poiz')  Pronunciation Key 
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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American Heritage
Abbreviations & Acronyms
avdp.
avoirdupois
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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