averdupois

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A form of avoirdupois — The official system of weights used in the UK between 1856 and 1963. It had been the customary system in London since 1300.

Scrabble 16
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Meanings

nounaverdupois (uncountable)
  1. archaicuncountableArchaic spelling of avoirdupois.

    In general commerce, improperly, ¹⁄₁₆ of an averdupois.

    1836, Selection of Reports and Papers of the House of Commons, page 15
    2 more examples

    Reckoning the troy ounce of gold at four pounds sterling, and the pound, equal to 5760 grains, at 48 pounds sterling, the value of an averdupois pound of gold is 58.33, or 58l. 6s. 7d.

    1837, The Hundred Wonders of the Modern World, and of the Three Kingdoms of Nature, page 275

    The modern averdupois pound is 14 ounces, 12 pennyweights, all but 8 grains troy.

    1843, The Penny Cyclopaedia of the Society for the Diffusion of Useful Knowledge, volume 27, page 201
Cite this entry
APA

averdupois. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/averdupois

MLA

“averdupois.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/averdupois. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “averdupois,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/averdupois.

Source: averdupois on Wiktionary, CC BY-SA 4.0.