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Waterloo, cities, Canada

(Encyclopedia)Waterloo wôtərlo͞oˈ [key]. 1 City (1991 pop. 71,181), SE Ont., Canada. It adjoins Kitchener. Several large insurance companies have their main offices there, and the adjoining cities form a high t...

Biot, Jean Baptiste

(Encyclopedia)Biot, Jean Baptiste zhäN bätēstˈ byō [key], 1774–1862, French physicist, grad. École Polytechnique (1797). He taught mathematics at Beauvais before becoming (1800) professor of mathematical ph...

antenna

(Encyclopedia)antenna ăntĕnˈə [key], in electronics, system of wires or other conductors used to transmit or receive radio or other electromagnetic waves (see radio); sometimes called an aerial. The idea of usi...

filigree

(Encyclopedia)filigree fĭlˈĭgrē [key], ornamental work of fine gold or silver wire, often wrought into an openwork design and joined with matching solder and borax under the flame of the blowpipe. Filigree is u...

galvanizing

(Encyclopedia)galvanizing, process of coating a metal, usually iron or steel, with a protective covering of zinc. Galvanized iron is prepared either by dipping iron, from which rust has been removed by the action o...

Gateshead

(Encyclopedia)Gateshead gātsˈhĕd [key], metropolitan borough, NE England, on the Tyne River opposite ...

Bhubaneswar

(Encyclopedia)Bhubaneswar bo͞obänĕˈswär [key], city, capital of Odisha (Orissa) state, E central India, on a ...

sitar

(Encyclopedia)CE5 Sitar sitar sĭtärˈ [key], fretted string instrument with a gourdlike body and a long neck, similar to the lute. It has from 3 to 7 gut strings, tuned in fourths or fifths (or both), and a l...

photoengraving

(Encyclopedia)photoengraving, photomechanical process in the graphic arts, used principally for reproducing illustrations. The subject is photographed, and the image is recorded on a sensitized metal plate, which i...

Calder, Alexander

(Encyclopedia)Calder, Alexander kôlˈdər [key], 1898–1976, American sculptor, b. Philadelphia; son of Alexander Stirling Calder and grandson of Alexander Mine Calder, prominent sculptors. Among the most innovat...