Meaning of TROY OUNCE

Pronunciation:			troyawns
WordNet Dictionary
	Definition:		[n]  a unit of apothecary weight equal to 480 grains or one twelfth of a pound
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	Synonyms:		apothecaries' ounce, ounce
	See Also:		apothecaries' pound, apothecaries' unit, apothecaries' weight, drachm, drachma, dram, pennyweight, troy pound, troy unit