Last Updated
：2025/11/24
troy grain
Noun
Japanese Meaning
トロイ・グレインは、質量の単位で、1ペニーウェイトの1/24または1トロイオンスの1/480に相当し、メートル法では0.06479891グラムに固定されています。
（ plural ）
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A unit of mass, equal to 1/24 of a pennyweight or 1/480 of a troy ounce, fixed at 0.064 798 91 grams under the metric system.
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troy grain
The jeweler measured the gold down to a single troy grain to ensure precise valuation.
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The jeweler measured the gold down to a single troy grain to ensure precise valuation.
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