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Dictionary

ounce

Pronunciation: (ouns), [key]
—n.
1. a unit of weight equal to 437.5 grains or ¹/16 pound (28.349 grams) avoirdupois.
2. a unit of 480 grains, ¹/12 pound (31.103 grams) troy or apothecaries' weight.
3. a fluid ounce.
4. a small quantity or portion.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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ouncer

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