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In nineteenth-century literature, the phrase earth metal commonly denoted elements such as aluminum, gallium, indium, or thallium.
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In nineteenth-century literature, the phrase earth metal commonly denoted elements such as aluminum, gallium, indium, or thallium.
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Related words
earth metal
Noun
obsolete
Japanese Meaning
（化学用語、古風な表現）ボロン族に属する金属、すなわちアルミニウム、ガリウム、インジウム、タリウムのいずれかを指す。
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