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金剛石 (kongouseki) Japanese meaning: diamond | Kotomora

金こん剛ごう石せき

こ

ん

ご

う

せ

き

Meanings

1

Refers to the gemstone or mineral diamond. More formal or literary than the common loanword ダイヤモンド.

金こん剛ごう石せきは自し然ぜん界かいで最もっとも硬かたい物ぶっ質しつの一

ひと

つ

です

。

Diamond is one of the hardest substances in nature.

この指ゆび輪わには小ちいさな金こん剛ごう石せきが埋うめ込こまれている。

A small diamond is set in this ring.

Kanji

金gold
剛sturdy, strength
石stone

Related words

ダイヤモンドN2
金剛石 is the old, formal Sino-Japanese term for the gemstone, while ダイヤモンド is the everyday loanword used in modern speech.

Word family

黒くろ金こん剛ごう石せき
black diamond; carbonado

Etymology

From Chinese 金剛石, literally 'vajra stone', referring to the indestructible nature of diamond. The reading is on'yomi.