| water softener |
a chemical compound added to hard water to soften it. [2 definitions] |
| water soluble |
of a solid or gas, capable of being dissolved in water. |
| water spaniel |
a large, curly-haired spaniel, often used to retrieve waterfowl. |
| waterspout |
a pipe or hole from which water pours, often for diverting rainwater. [2 definitions] |
| water sprite |
in folklore, a spirit or nymph that lives in or near water. |
| water strider |
any of various insects having long, slender legs on which they dart about on the surface of calm water. |
| water table |
a depth of earth below which the ground is saturated with water. |
| watertight |
constructed so tightly that water cannot enter or leave. [2 definitions] |
| water torture |
a form of torture involving the incessant dripping of water on the forehead of an immobilized victim. |
| water tower |
an elevated tank used to store water at a height sufficient to maintain pressure in a water system. [2 definitions] |
| water vapor |
water in the form of gas, esp. at a temperature below the boiling point. |
| waterway |
a body of water, such as a river or stream, large enough for transportation. |
| water wheel |
a wheel turned by the weight of falling or running water, used to operate machinery. [2 definitions] |
| water wings |
an air-filled, wing-shaped device used to support the body of someone learning to swim. |
| water witch |
a person who searches for underground water with a divining rod; dowser. [3 definitions] |
| waterworks |
(used with a sing. or pl. verb) a system for storing, distributing, and purifying the water of a city or town. |
| waterworn |
worn, smoothed, or polished by the action of moving water. |
| watery |
pertaining to or consisting of water. [5 definitions] |
| WATS |
acronym of "Wide Area Telecommunications Service." |
| watt |
a unit of electrical power equal to the current of one ampere produced by the electromotive force of one volt, or to one joule per second. (abbr.: w, W) |
| wattage |
electrical power expressed in watts. [2 definitions] |