Last Updated
：2025/11/21
chemical composition
（ plural ）
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(physics, chemistry) The identities, and relative numbers, of the elements that make up any particular compound
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chemical composition
The chemical composition of the alloy shows roughly 70% copper and 30% zinc, confirming it is brass.
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The chemical composition of the alloy shows roughly 70% copper and 30% zinc, confirming it is brass.
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