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Chibcha

(Encyclopedia)Chibcha chĭbˈchə [key], indigenous people of the eastern cordillera of the Andes of Colombia. Although trade with neighboring tribes was common, the Chibcha seem to have evolved their culture in co...

transition elements

(Encyclopedia)transition elements or transition metals, in chemistry, group of elements characterized by the filling of an inner d electron orbital as atomic number increases. This includes the elements from titani...

sulfide

(Encyclopedia)sulfide, chemical compound containing sulfur and one other element or sulfur and a radical. Sulfides may be salts or esters of hydrogen sulfide, H2S, or may be formed directly, e.g., by heating a meta...

Kyushu

(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 ...

Limpopo, province, South Africa

(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 ...

marquetry

(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 ...

Hidalgo, state, Mexico

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

Gaspé Peninsula

(Encyclopedia)Gaspé Peninsula or Gaspésie gäspāzēˈ [key], tongue of land, E Que., Canada, between the estuary of the St. Lawrence River on the north and Chaleur Bay on the south, and extending eastward into t...

Huntsville, cities, United States

(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 ...

refining

(Encyclopedia)refining, any of various processes for separating impurities from crude or semifinished materials. It includes the finer processes of metallurgy, the fractional distillation of petroleum into its comm...