# avoirdupois

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Related to avoirdupois: Avoirdupois system, avoirdupois ounce

## av·oir·du·pois

(av'er-du-poyz'),
A system of weights in which 16 ounces make 1 pound, equivalent to 453.59237 g. See Weights and Measures Appendix.
[Fr. to have weight, corrupted fr. O. Fr. avoir, property, + de, of, + pois, weight]

## av·oir·du·pois

(av'wahr-dū-pwah')
A system of weights in which 16 oz make a pound, equivalent of 453.59237 g. See Weights and Measures appendix.
[Fr. to have weight, corrupted fr. O. Fr. avoir, property, + de, of, + pois, weight]
References in periodicals archive ?
Additionally, by the end of the century two more pounds were introduced, the troy pound and the avoirdupois pound, which were in use until metrication.
for bullion remains but is now (W & M Act 1985) not defined in grains but as 12/175 of the Avoirdupois pound.
Strangely, while there is a unique weight for precious metal in the troy ounce, as opposed to the avoirdupois ounce, there is none for wine.
One, from the avoirdupois system, has our familiar 7,000-grain pound.
John 'Two Jags' Prescott has the avoirdupois of a country squire not averse to brandishing a cudgel or two in support of his claim to a rotten borough seat in Westminster.
Unit Equivalent in of Unit Metric Units Mass 1 short ton (2,000 lb) = 0.907 184 7 1 long ton = 1.016 047 1 pound (lb) = 0.453 592 37 (a) 1 pound uranium oxide = 0.384 647 (b) (lb U3O8) 1 ounce, avoirdupois = 28.349 52 (avdp oz) Volume 1 barrel of oil (bbl) = 0.158 987 3 1 cubic yard ([yd.sup.3]) = 0.764 555 1 cubic foot ([ft.sup.3]) = 0.028 316 85 1 U.S.
The London victor took the Chicago race (Sunday Grandstand, BBC1) for the fourth time, but nobody suggested extra avoirdupois, leg-irons or whatever.
You'll find many a heavyweight these days whose thoracic and abdominal areas are impossible to distinguish, but although Big Oddly has been known to carry a spot too much avoirdupois he isn't in that sort of state.
Unit Equivalent in Mass 1 short ton (2,000 lb) = 0.907 184 7 1 long ton = 1.016 047 1 pound (lb) = 0.453 592 37 (a) 1 pound uranium oxide = 0.384 647 (b) (lb [U.sub.3][O.sub.8]) 1 ounce, avoirdupois = 28.349 52 (avdp oz) Volume 1 barrel of oil (bbl) = 0.158 987 3 1 cubic yard ([yd.sup.3]) = 0.764 555 1 cubic foot ([ft.sup.3]) = 0.028 316 85 1 U.S.
Unit in Metric Units Mass 1 short ton (2,000 lb) 0.907 184 7 1 long ton 1.016 047 1 pound (lb) 0.453 592 37 (a) 1 pound uranium oxide 0.384 647 (b) (lb [U.sub.3][O.sub.8]) 1 ounce, avoirdupois = 28.349 52 (avdp oz) Volume 1 barrel of oil (bbl) = 0.158 987 3 1 cubic yard ([yd.sup.3]) = 0.764 555 1 cubic foot ([ft.sup.3]) = 0.028 316 85 1 U.S.

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