熱ねっ水すい

noun

hot water; boiling water

General term for water that is hot or boiling. Used in everyday contexts such as cooking, cleaning, or describing hot liquids.

• 熱ねっ水すいで食しょっ器きを消しょう毒どくする。

  Disinfect the dishes with hot water.

• 熱ねっ水すいを注そそいでお茶ちゃを入いれる。

  Pour boiling water to make tea.

noun

hydrothermal water; hydrothermal solution

Geological term for naturally heated water, often mineral-rich, found in geothermal areas or used in hydrothermal processes.

• 熱ねっ水すい鉱こう床しょうは海かい底ていで見みつかることがある。

  Hydrothermal deposits are sometimes found on the seafloor.