01 n. A unit of mass or weight, the sixteenth part of a pound avoirdupois, and containing 28.35 grams or 437<frac:1_2/ grains.
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1.
A unit of mass or weight, the sixteenth part of a pound avoirdupois, and containing 28.35 grams or 437<frac:1_2/ grains.
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2.
The twelfth part of a troy pound; one troy ounce weighs 31.103486 grams, 8 drams, or 480 grains.(Troy Weight)
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3.
Fig.: A small portion; a bit.[Obs.]“By ounces hung his locks that he had.” — Chaucer.