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Javelle water

(Encyclopedia)Javelle water or Javel water both: zhəvĕlˈ [key], Fr. eau de Javelle, aqueous solution of sodium or potassium hypochlorite. It was originally made near the French town of Javelle (now part of Paris...

water pollution

(Encyclopedia)water pollution, contamination of water resources by harmful wastes; see also sewerage, water supply, pollution, and environmentalism. The United States has enacted extensive federal legislation to ...

water power

(Encyclopedia)water power, mechanical energy derived from falling or flowing water, e.g., rivers, streams, and the overflow of dams. The wooden water wheel, long utilized for driving machinery in flour mills and fa...

water boatman

(Encyclopedia)water boatman: see water bug.

water scavenger

(Encyclopedia)water scavenger: see water beetle. ...

water skater

(Encyclopedia)water skater: see water bug.

water strider

(Encyclopedia)water strider: see water bug.

water polo

(Encyclopedia)water polo, swimming game encompassing features of soccer, football, basketball, and hockey. The object of the game is to maneuver, by head, feet, or hand, a leather-covered ball 27 to 28 in. (about 7...

water beetle

(Encyclopedia)water beetle, name for aquatic beetles of several families. They should not be confused with water bugs, which are true bugs (order Hemiptera). The predaceous diving beetles (family Dytiscidae) are a ...

soda water

(Encyclopedia)soda water, a solution of carbon dioxide in water. ...