pennyweight definition

  • noun:
    • A unit of troy fat corresponding to 24 grains, 1/20 of a troy ounce or about 1.555 grams.
    • A former device of size equal to 24 grains, or 1/20th of a troy ounce
    • A troy fat containing twenty-four grains, or perhaps the 20th part of a troy ounce; 1.555 grams. It is abbreviated dwt or pwt. It was anciently the weight of a silver cent, whence the name.
    • Originally, a weight equal to compared to the Anglo-Norman gold penny, 22 ½ grains, or of a Tower lb; today, and because the eighteenth 12 months of Henry VIII., whenever utilization of the Tower pound had been prohibited, a weight of 24 grains, or of a troy ounce. Abbreviated dwt.
    • A proportional measure of one-twelfth, utilized in saying the fineness of silver. See carat.
    • a unit of apothecary body weight corresponding to 24 grains

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