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Definition 2024


metric_ounce

metric ounce

See also: metric-ounce

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Noun

metric ounce (plural metric ounces)

  1. A metric approximation of the ounce; specifically:
    1. 25 grams.
      • 1901, The Medical Standard, volume 24, page 306:
        The new ounces would be all alike, representing 25 Gm. or CC., and would be from one-eighth to one-fifth less than the customary ounces. The metric ounce, 25.0; one fifth less than 1 apoth. ounce, 31.0. The metric ounce, 25.0, one-sixth less than 1 av. ounce, 28.35.
      • 1901 September 7, in The Accountant, volume 27, number 1396, page 975:
        It would probably be convenient also to retain the ounce, the metric ounce being defined as equal to 25 grams, or one-twentieth of the metric pound.
      • 1904, The Metric System, in The Quarterly review, volume 199, page 78
        When this is over, there seems no reason why a metric inch of twenty-five millimetres should not serve as well as our inch, a quarter-metre of ten metric inches as well as our foot, and a metric ounce of twenty-five grammes as well as our ounce.
    2. 30 grams.
      • 1882, An Instruction Book in the Art of Silk Culture, page 83:
        Thirty grams or a metric ounce (the American ounce is 28 grams)
      • 1890, Proceedings of the American Pharmaceutical Association:
        If we could get the Post Office Department to adopt the metric system, so that whenever any citizen of the United States desires to send a letter he will have to buy postage stamps of one or two cents — whatever it might be — for 30 grams of matter, the metric ounce, that would give us a start.
      • 1901, Alfred Emerson, In yellowest jaunia and the way out: or, "Sound money", page 23:
        One 16-ounce pound of silver coin is legally equal to one 30-gram metric ounce of gold coin []

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