soft water: water that is not hard (does not contain mineral salts that interfere with the formation of lather with soap)
water: binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent
featherweight: a professional boxer who weighs between 123 and 126 pounds