Columbia Encyclopedia

(Encyclopedia) electrode, terminal through which electric current passes between metallic and nonmetallic parts of an electric circuit. In most familiar circuits current is carried by metallic conductors, but in som...

(Encyclopedia) Erzgebirge ĕrtsˈgəbĭrˌgə [key] [Ger.,=ore mountains], Czech Krušné Hory, mountain range, along the Czech–German border, extending c.95 mi (150 km) from the Fichtelgebirge in the southwest to...

(Encyclopedia) Ganja kēˌrəvəbätˈ [key], city (1989 pop. 278,000), in NW Azerbaijan, on the Ganja River. The largest Azerbaijani industrial center after Bakı, Ganja produces cotton and silk textiles, building ...

(Encyclopedia) Limpopo, province (2011 pop. 5,404,868), 48,554 sq mi (125,754 sq km), NE South Africa. In 1994, under South Africa's post-apartheid constitution, Limpopo was created from the northern portion of the ...

(Encyclopedia) marquetry märˈkətrē [key], branch of cabinetwork in which a decorative surface of wood or other substance is glued to an object on a single plane. Unlike inlaying, in which the secondary material ...

(Encyclopedia) Huntsville. 1 City (2020 pop. 215,006), seat of Madison co., N Ala.; inc. 1811. A major center for U.S. space research, Huntsville is the site of the ...

(Encyclopedia) Hidalgo ēᵺälˈgō [key], state, 8,058 sq mi (20,870 sq km), central Mexico. Pachuca de Soto is the capital. Cross...

(Encyclopedia) Kyushu kyo͞oˈsho͞o [key], island (1990 pop. 13,064,955), c.13,760 sq mi (35,640 sq km), S Japan. It is the third largest, southernmost, and most densely populated of the major islands of Japan. It ...

(Encyclopedia) Wrocław vrôtsˈläf [key], Ger. Breslau, city (1993 est. pop. 644,000), capital of Dolnośląskie prov., SW Poland, on the Oder (Odra) River. A railway center and river port, the city is also an ind...

(Encyclopedia) bead test, test used in the identification of certain metals. Some metallic ions that cannot be identified by a flame test are identified by a bead test. The test can also be used to confirm the resul...