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glaze, in pottery

(Encyclopedia)glaze, translucent layer that coats pottery to give the surface a finish or afford a ground for decorative painting. Glazes—transparent, white, or colored—are fired on the clay. Of the various art...

Bridgman, Percy Williams

(Encyclopedia)Bridgman, Percy Williams, 1882–1961, American physicist, b. Cambridge, Mass., grad. Harvard (B.A., 1904; Ph.D., 1908). From 1910 he taught at Harvard, as professor from 1919. He won the 1946 Nobel P...

Zielona Góra

(Encyclopedia)Zielona Góra zhĕlôˈnä go͞oˈrä [key], Ger. Grünberg, city (1993 est. pop. 115,100), capital (with Gorzów) of Lubuskie prov., W Poland. It is a railroad junction and has lignite mines. Famous ...

Taube, Henry

(Encyclopedia)Taube, Henry, 1915–2005, American inorganic chemist, b. Saskatchewan, Canada. He earned his Ph.D. at Berkeley in 1940, taught at Cornell from 1941. became a U.S. citizen in 1942, joined the faculty ...

Reşiţa

(Encyclopedia)Reşiţa rĕˈshētsä [key], Hung. Resiczabánya, city (1990 pop. 110,519), W Romania, in the Banat, in the western foothills of the Transylvanian Alps. It is a railroad terminus and a leading Romani...

ore

(Encyclopedia)ore, metal-bearing mineral mass that can be profitably mined. Nearly all rock deposits contain some metallic minerals, but in many cases the concentration of metal is too low to justify mining the ore...

Andernach

(Encyclopedia)Andernach änˈdərnäkh [key], city, Rhineland-Palatinate, W Germany, a port on the Rhine River. Its manufactures include chemicals, metals, synthetic fibers and related ...

Jyväskylä

(Encyclopedia)Jyväskylä yüˈvăsküˌlă [key], city (1998 pop. 76,948), Western Finland prov., S central Finland. Situated on Lake Päijänne, it is an important port. Paper and wood products, metals, wool, and...

Nanterre

(Encyclopedia)Nanterre näNtârˈ [key], city (1990 pop. 86,627), capital of Hauts-de-Seine dept., N central France, on the right bank of the Seine River. It is an administrative and industrial center where metals,...

ash, in chemistry

(Encyclopedia)ash, in chemistry, solid residue of combustion. The chemical composition of an ash depends on that of the substance burned. Wood ash contains metal carbonates (e.g., potassium carbonate) and oxides fo...