metric-ounce

Noun

 * 1) * 1869 July, Decimal-Point (pseudonym), “The French and English Systems of Money-Weights and Measures” in The Pharmaceutical Journal and Transactions, Second Series, volume XI, № i, page 32:
 * In our coppers we have fifths and tenths both of the pound and the ounce, so that a farthing thrown into the scale with our ounce is the equivalent (within one grain) to the so-called metric-ounce or sixteenth of 500 grammes, and with eight halfpence on the pound we get the half-kilo quite near enough for practical purposes.
 * In our coppers we have fifths and tenths both of the pound and the ounce, so that a farthing thrown into the scale with our ounce is the equivalent (within one grain) to the so-called metric-ounce or sixteenth of 500 grammes, and with eight halfpence on the pound we get the half-kilo quite near enough for practical purposes.