Last Updated：2025/11/20

(chemistry) Water with a low concentration of dissolved minerals, especially calcium, making it easier to lather with soap.

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soft water

Source Word

soft water

Noun

countable uncountable

(chemistry) Water with a low concentration of dissolved minerals, especially calcium, making it easier to lather with soap.

Japanese Meaning

溶解しているミネラル（特にカルシウム）が少なく、石鹸で泡立ちやすい水

Because the soft water in our new apartment makes shampoo lather so easily, I use less product than before.

新しいアパートの軟水はシャンプーの泡立ちがとても良いので、以前より少ない量で済みます。

Sense（1）

(chemistry) Water with a low concentration of dissolved minerals, especially calcium, making it easier to lather with soap.

soft waters

（ plural ）