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十八金 (じゅうはちきん) Japanese meaning | Kotomora

十じゅう八はち金きん

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Meanings

1

noun

18-carat gold

Refers specifically to gold of 18-carat purity, commonly used in jewelry and decorative items.

この指ゆび輪わは十じゅう八はち金きんでできている。
This ring is made of 18-carat gold.

Kanji

十ten
八eight, eight radical (no. 12)
金gold

Similar words

金きん
金 is the general term for gold, while 十八金 specifies the purity as 18 carats.

Etymology

Compound of 十八 (eighteen) and 金 (gold), directly indicating 18-carat gold.