pennyweight


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pennyweight:

see English units of measurementEnglish units of measurement,
principal system of weights and measures used in a few nations, the only major industrial one being the United States. It actually consists of two related systems—the U.S.
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pennyweight

[′pen·ē‚wāt]
(mechanics)
A unit of mass equal to ¹⁄₂₀ troy ounce or to 1.55517384 grams; the term is employed in the United States and in England for the valuation of silver, gold, and jewels. Abbreviated dwt; pwt.
References in periodicals archive ?
Troy system again: 259lb equals 4,144oz equals 82,880 pennyweights.
These pennyweight windows, & I never knew the sun
He reached into a drawer, pulled out an invoice from England and said, "Do you see those denominations or yards, feet and inches, gallons and pints, two kinds of ounces, grains and pennyweights, the whole summed up in pounds, shillings and pence?
Later there was some controversy as to whether it had beaten Cheshire''s Kelvin Archer''s 16-year-old world record due to the method of weighing - in drams and grains as opposed to pennyweights and grains.
They can measure in multiple weighing units, including grams, milligrams, ounces, carats, pennyweights, Hong Kong Taels, Singapore Taels, Taiwan Taels, moraines, grains, ticals and Newtons.