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純分 (じゅんぶん, junbun) Japanese meaning: fineness | Kotomora

純じゅん分ぶん

じゅ

ん

ぶ

ん

Meanings

1

fineness; purity (of gold)

Technical term used in metallurgy and jewelry to express the proportion of pure gold in an alloy.

この金きん貨かの純じゅん分ぶんは99.9%です。
The fineness of this gold coin is 99.9%.

Kanji

純genuine, purity, innocence
分part, minute of time, segment

Related words

純じゅん度ど
純度 is a more general term for purity of any substance, while 純分 is specifically used for the fineness of precious metals like gold.

Etymology

Compound of 純 (pure) and 分 (portion, content), literally 'pure content'. The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning of metal purity.

純じゅん分ぶんが高たかいほど、金きんの価か値ちは上あがります。

The higher the purity, the greater the value of the gold.