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  2. Avoirdupois - Wikipedia

    en.wikipedia.org/wiki/Avoirdupois

    Such scales are used to make the most accurate of fine measurements, such as in the needs of empirical chemistry. Avoirdupois (/ ˌævərdəˈpɔɪz, ˌævwɑːrdjuːˈpwɑː /; [1] abbreviated avdp.) [2] is a measurement system of weights that uses pounds and ounces as units. [3][4] It was first commonly used in the 13th century AD and was ...

  3. Pound (mass) - Wikipedia

    en.wikipedia.org/wiki/Pound_(mass)

    The pound or pound-mass is a unit of mass used in both the British imperial and United States customary systems of measurement.Various definitions have been used; the most common today is the international avoirdupois pound, which is legally defined as exactly 0.453 592 37 kilograms, and which is divided into 16 avoirdupois ounces. [1]

  4. Troy weight - Wikipedia

    en.wikipedia.org/wiki/Troy_weight

    Troy ounce is a traditional unit of gold weight. Troy weight is a system of units of mass that originated in 15th-century Kingdom of England [1] and is primarily used in the precious metals industry. The troy weight units are the grain, the pennyweight (24 grains), the troy ounce (20 pennyweights), and the troy pound (12 troy ounces).

  5. Grain (unit) - Wikipedia

    en.wikipedia.org/wiki/Grain_(unit)

    The original mercantile pound of 25 shillings or 15 (Tower) ounces was displaced by, variously, the pound of the Hanseatic League (16 tower ounces) and by the pound of the then-important wool trade (16 ounces of 437 grains). A new pound of 7,680 grains was inadvertently created as 16 troy ounces, referring to the new troy rather than the old ...

  6. Alcohol measurements - Wikipedia

    en.wikipedia.org/wiki/Alcohol_measurements

    2 US pints. The 32 oz pitcher is usually used with large 16 oz beer glasses (2 glasses per pitcher). 40 (Imp.) 1.13 liters (L) 40 imp oz: 2 imperial pints, 1 imperial quart, or a quarter of an imperial gallon. Referred to as a "40" or “40-pounder” in Canada (as in 40 Imperial ounces; also used for spirits)) and a liter in the United States ...

  7. Crossword abbreviations - Wikipedia

    en.wikipedia.org/wiki/Crossword_abbreviations

    Bachelor of Arts – BA; Bachelor of Medicine – BM, MB; Base – E (mathematical constant) Basque nationalists – ETA; Bearing – N, E, S, W, NE, NW, etc ...

  8. Ounce - Wikipedia

    en.wikipedia.org/wiki/Ounce

    An ounce-force is 1 ⁄ 16 of a pound-force, or about 0.2780139 newtons. It is defined as the force exerted by a mass of one avoirdupois ounce under standard gravity (at the surface of the earth, its weight). The "ounce" in "ounce-force" is equivalent to an avoirdupois ounce; ounce-force is a measurement of force using avoirdupois ounces.

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