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radiator

(Encyclopedia)radiator, device used to heat an area surrounding it or to cool a fluid circulating within it. The familiar radiators of steam and hot water heating systems in buildings are misnamed, as they operate ...

hygrometer

(Encyclopedia)hygrometer hīgrŏmˈətər [key], instrument used to measure the moisture content of a gas, as in determining the relative humidity of air. The temperature at which dew or frost forms is a measure of...

insulation

(Encyclopedia)insulation ĭnˌsəlāˈshən, ĭnˌsyo͝o– [key], use of materials or devices to inhibit or prevent the conduction of heat or of electricity. Common heat insulators are, fur, feathers, fiberglass, ...

weaving

(Encyclopedia)weaving, the art of forming a fabric by interlacing at right angles two or more sets of yarn or other material. It is one of the most ancient fundamental arts, as indicated by archaeological evidence....

mound

(Encyclopedia)mound, prehistoric earthwork erected as a memorial or landmark over a burial place, a defensive embankment, or a site for ceremonial or religious rites or other functions. Such structures are found in...

mower

(Encyclopedia)mower, farm machine used for cutting grasses and other hay crops. Mowers, drawn by or attached to tractors, or self-propelled, have superseded scythes. The mower is essentially an adaptation of the mu...

bed and breakfast

(Encyclopedia)bed and breakfast (B&B or BnB), small business that offers guests rooms and breakfast, usually in a private home or apartment. In a B&B, service and meal preparation is typically provided by t...

flamethrower

(Encyclopedia)flamethrower, mechanism for shooting a burning stream of liquid or semiliquid fuel at enemy troops or positions. Primitive types of flamethrowers, consisting of hollow tubes filled with burning coals,...

aphasia

(Encyclopedia)aphasia əfāˈzhə [key], language disturbance caused by a lesion of the brain, making an individual partially or totally impaired in his ability to speak, write, or comprehend the meaning of spoken ...

hay, livestock fodder

(Encyclopedia)hay, wild or cultivated plants, chiefly grasses and legumes, mown and dried for use as livestock fodder. Hay is an important factor in cattle raising and is one of the leading crops of the United Stat...