逆ぎゃく浸しん透とう法ほう

noun

reverse osmosis

Technical term in chemistry and engineering for a water purification method that uses a semipermeable membrane to remove ions and molecules.

• 逆ぎゃく浸しん透とう法ほうは海かい水すい淡たん水すい化かに広ひろく使つかわれている。

  Reverse osmosis is widely used for seawater desalination.