Definition of Avoirdupois weight. Meaning of Avoirdupois weight. Synonyms of Avoirdupois weight

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Definition of Avoirdupois weight

Avoirdupois weight
Avoirdupois Av`oir*du*pois" ([a^]v`[~e]r*d[-u]*poiz"), n. & a. [OE. aver de peis, goods of weight, where peis is fr. OF. peis weight, F. poids, L. pensum. See Aver, n., and Poise, n.] 1. Goods sold by weight. [Obs.] 2. Avoirdupois weight. 3. Weight; heaviness; as, a woman of much avoirdupois. [Colloq.] Avoirdupois weight, a system of weights by which coarser commodities are weighed, such as hay, grain, butter, sugar, tea. Note: The standard Avoirdupois pound of the United States is equivalent to the weight of 27.7015 cubic inches of distilled water at 62[deg] Fahrenheit, the barometer being at 30 inches, and the water weighed in the air with brass weights. In this system of weights 16 drams make 1 ounce, 16 ounces 1 pound, 25 pounds 1 quarter, 4 quarters 1 hundred weight, and 20 hundred weight 1 ton. The above pound contains 7,000 grains, or 453.54 grams, so that 1 pound avoirdupois is equivalent to 1 31-144 pounds troy. (See Troy weight.) Formerly, a hundred weight was reckoned at 112 pounds, the ton being 2,240 pounds (sometimes called a long ton).

Meaning of Avoirdupois weight from wikipedia

- Avoirdupois (/ˌævərdəˈpɔɪz, ˌævwɑːrdjuːˈpwɑː/; abbreviated avdp.) is a measurement system of weights that uses pounds and ounces as units. It was first...
- 45359237 kilogram exactly. — Weights and Measures Act, 1963, Section 1(1) An avoirdupois pound is equal to 16 avoirdupois ounces and to exactly 7,000 grains...
- unit of the avoirdupois system, but the troy ounce is heavier than the avoirdupois ounce, and the troy pound is lighter than the avoirdupois pound. Legally...
- units of m****, weight, or volume and is derived almost unchanged from the uncia, an Ancient Roman unit of measurement. The avoirdupois ounce (exactly...
- apothecaries', troy, avoirdupois, and metric. Of these, the avoirdupois weight is the most common system used in the U.S., although Troy weight is still used...
- A grain is a unit of measurement of m****, and in the troy weight, avoirdupois, and apothecaries' systems, equal to exactly 64.79891 milligrams. It is...
- in the avoirdupois system, and both a unit of m**** and a unit of volume in the apothecaries' system. It was originally both a coin and a weight in ancient...
- used three different weight systems: troy weight for precious metals, apothecaries' weight for medicines and avoirdupois weight for almost all other purposes...
- for m**** and weight. troy weight, used for precious metals; avoirdupois weight, used for most other purposes; and apothecaries' weight, now virtually...
- is also a unit of force typically used in the measure of weight. Similarly, the avoirdupois pound, used in both the Imperial system and U.S. customary...