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troyounce
From The Collaborative International Dictionary of English v.0.48:
Ounce \Ounce\ (ouns), n. [F. once, fr. L. uncia a twelfth, the twelfth part of a pound or of a foot: cf. Gr. 'o`gkos bulk, mass, atom. Cf. 2d Inch, Oke.] 1. A unit of mass or weight, the sixteenth part of a pound avoirdupois, and containing 28.35 grams or 4371/2 grains. [1913 Webster +PJC] 2. (Troy Weight) The twelfth part of a troy pound; one troy ounce weighs 31.103486 grams, 8 drams, or 480 grains. [1913 Webster +PJC] Note: The troy ounce contains twenty pennyweights, each of twenty-four grains, or, in all, 480 grains, and is the twelfth part of the troy pound. The troy ounce is also a weight in apothecaries' weight. [Troy ounce is sometimes written as one word, troyounce.] [1913 Webster] 3. Fig.: A small portion; a bit. [Obs.] [1913 Webster] By ounces hung his locks that he had. --Chaucer. [1913 Webster] Fluid ounce. See under Fluid, n. [1913 Webster] .
From The Collaborative International Dictionary of English v.0.48:
Troyounce \Troy"ounce\, n. See Troy ounce, under Troy weight, above, and under Ounce. [1913 Webster]
