希土類

Japanese

Etymology

From 希(キ, ki)(希な, まれな, marena):(rare) + 土(ド, do)(つち, tsuchi):(soil)類(るい, rui):(class)

Noun

希土類 (shinjitai kanji, kyūjitai 稀土類, hiragana きどるい, romaji kidorui)

1. rare earth

Derived terms

• 希土類元素 (きどるいげんそ, kidorui-genso): rare earth elements