The amount of water contained in a material, such as soil, rock or wood.

The water contained in mud.

An area of mineral deposits left behind after a wet object dries in the air.

A jet of water.

The water of a fountain.

(hydrology) The timespan between October 1 and September 30 of the next year, differing from the calendar year because part of the precipitation that falls in late autumn and winter accumulates as snow and does not drain until the following spring or summer.

Water that has remained in an aquifer for a long timespan, usually thousands or millions of years.

(zoology) Any of several species of Australian mouse of the genus Hydromys, native to Australia, with strong hind legs and partially webbed toes.

(alternative medicine) Water claimed to have a six-sided ring structure which resonates with energetic vibrations of the body.

mineral water containing lithium salts, used to treat an array of mental health problems, including depression, aggression, and learning disabilities.