Scruple (unit)
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The scruple (℈) is a small unit in the apothecaries' system,[1] derived from the old Roman scrupulum (lit. 'small pebble') unit[2] (scrupulus/scrupulum).
Mass unit
[edit]The scruple is 1⁄24 ounce, 1⁄3 dram, or 20 grains.[1] It is therefore equal to 1.2959782 grams. The Roman scruple was somewhat smaller, around 1.14 g.
Volume unit
[edit]The fluid scruple is 1⁄24 fluid ounce, 1⁄3 fluid dram, 20 minims, or 1⁄4 teaspoon, or 1 saltspoon. It is therefore equal to 1.2323 milliliters in US customary system.
in imperial customary system equal 1,1839 ml.
See also
[edit]References
[edit]- ^ a b Cardarelli, François (2003). Encyclopaedia of Scientific Units, Weights and Measures. London: Springer. pp. 38, 45. ISBN 978-1-4471-1122-1.
- ^ "scruple, n.1", Oxford English Dictionary, 1st ed., Oxford: Oxford University Press, 1911