Last Updated
：2025/12/23
レアアース
Hiragana
れああす
Kanji
希土類金属
Noun
Japanese Meaning
レアアースとは、主としてランタノイド系列の元素にスカンジウムとイットリウムを加えた金属元素の総称で、磁石、蛍光体、触媒などの先端材料に用いられる希少な金属資源のこと。
Easy Japanese Meaning
めずらしい きんぞくの なかま。でんきの どうぐや じしゃくに つかわれる。
Chinese (Simplified)
稀土金属 / 稀土元素 / 稀土
Sense（1）
rare earth metals
（ romanization ）
Quizzes for review
See correct answer
レアアース
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Rare earth metals are essential materials for the manufacture of electronic devices.
Rare earth metals are essential materials for the manufacture of electronic devices.
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レアアースは電子機器の製造に不可欠な素材です。
Japanese - English
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