- a system of weights used for precious metals and gemstones, based on the grain, which is identical to the avoirdupois grain. 24 grains = 1 pennyweight; 20 pennyweights = 1 (troy) ounce; 12 ounces = 1 (troy) pound
单词 | troy weight |
释义 | WordReference Random House Unabridged Dictionary of American English © 2024 troy′ weight′,
Collins Concise English Dictionary © HarperCollins Publishers:: troy weight, troy /trɔɪ/ n
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