a separate and self-contained entity

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 watery layer of the earth's surface; includes water vapor

the outermost level of the land or sea

a large natural stream of water (larger than a creek)

a body of water that was created by a flood or tide or by being held or forced back by a dam

an indentation of a shoreline larger than a cove but smaller than a gulf

a deep and relatively narrow body of water (as in a river or a harbor or a strait linking two larger bodies) that allows the best passage for vessels

any large deep body of water

the wide part of a river where it nears the sea; fresh and salt water mix

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 watery layer of the earth's surface; includes water vapor

the outermost level of the land or sea

a large natural stream of water (larger than a creek)