use of physical or mental energy; hard work | a facility that provides a source of water |
salty fluid secreted by sweat glands | a liquid necessary for the life of most animals and plants |
condensation of moisture on a cold surface | the part of the earth's surface covered with water (such as a river or lake or ocean) |
agitation resulting from active worry | 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 |
| liquid excretory product |
| once thought to be one of four elements composing the universe (Empedocles), associated with the humour phlegm |