Last Updated
：2025/11/22
troy ounce
Noun
Japanese Meaning
トロイオンス：かつて用いられた質量の単位で、約31.1035グラム、480トロイグレイン、またはトロイポンドの1/12に相当する。
（ plural ）
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A former unit of mass equal to 31.1035 grams, 480 troy grains, or one twelfth of a troy pound.
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troy ounce
The jeweler carefully measured the gold, noting each troy ounce on his ledger.
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The jeweler carefully measured the gold, noting each troy ounce on his ledger.
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