ounce
ounce1 definition
ounce (o̵uns)
noun
- : symbol for all preceding senses, oz
- a unit of weight, equal to pound avoirdupois or 16 drams (28.3495 grams)
- a unit of weight, equal to pound troy or 20 pennyweights (31.1035 grams)
- a unit of weight, equal to pound apothecaries' weight or 8 drams (31.1035 grams)
- fluid ounce
- any small amount an ounce of care
Etymology: OFr unce < L uncia, a twelfth, twelfth part of a foot or pound, orig., unit, akin to L unus, one
ounce2 definition
ounce (o̵uns)
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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