最終更新日：2024/08/03

(mineralogy) red copper oxide; cuprite / pure copper, as opposed to an alloy (cf. yellow copper)

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red copper

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red copper

noun

(mineralogy) red copper oxide; cuprite / pure copper, as opposed to an alloy (cf. yellow copper)

The statue was made of red copper.

意味（1）

(mineralogy) red copper oxide; cuprite

意味（2）

pure copper, as opposed to an alloy (cf. yellow copper)

Their popularity began to fade as soon as red copper daggers appeared on the scene.