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
the part of the earth's surface covered with water (such as a river or lake or ocean)
a facility that provides a source of water
a magnitude or frequency relative to a time unit
amount of a charge or payment relative to some basis
assign a rank or rating to
