純度(じゅんど)

じゅんど
noun
purity; purity level
technicalquantityscience
1. purity; purity level; degree of purity
The proportion of a substance that is pure, free from impurities or contamination. Used for metals, chemicals, water, and other substances.
純度(じゅんど)の高(たか)い金(きん)だ。
It's gold of high purity.
この水(みず)は純度(じゅんど)99%以上(いじょう)だ。
This water has a purity of over 99%.
半導体(はんどうたい)の製造(せいぞう)には極(きわ)めて純度(じゅんど)の高(たか)いシリコンが必要(ひつよう)とされる。
Extremely high-purity silicon is required for semiconductor manufacturing.

The suffix 〜度(ど) marks a degree or level, as in 濃度(のうど) (concentration), 精度(せいど) (precision) and 鮮度(せんど) (freshness).

Common collocations

Cultural note

Gold is usually graded in karats with 金(きん): 24金(きん) (pure gold, also 純金(じゅんきん)) and 18金(きん) (75 percent gold).

Similar words

Related Words

Compare: 純粋(じゅんすい) (pure)
general
Added 2026.3.23 12:36 · Revised 2026.10.17 10:48
18500/18774_jundo