A method of extracting essentially pure, fresh water from polluted or salt water by forcing the water under pressure against a semipermeable membrane, which passes the pure water molecules and filters out salts and and other dissolved impurities.
Webster's New World
Reverse Osmosis Sentence Examples
We do this by using a technique called reverse osmosis which is a filtration process.
It is then pushed at high pressure through filters in a process described as reverse osmosis.
Water was specially treated by reverse osmosis and using water softeners to remove aluminum.
Where a Reverse Osmosis type water softener system is fitted.
Today in class we are learning about the process of water purification through reverse osmosis.