Last Updated
：2025/11/26
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。
（ plural ）
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(chemistry, obsolete) Any of the four metals aluminum, gallium, indium and thallium of the boron group in the periodic table of elements.
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earth metal
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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