希少元素 (きしょうげんそ) Japanese meaning | Kotomora- レアメタル
レアメタル refers specifically to rare metals, a subset of rare elements, often with industrial importance.
- 希土類
希土類 (rare earths) is a specific group of 17 chemically similar rare elements.
Etymology
Compound of 希少 (rare, scarce) and 元素 (element).
