Columbia Encyclopedia

Search results

500 results found

fluorite

(Encyclopedia)fluorite flo͞oˈərspär [key], mineral appearing in various colors, e.g., green, yellow-brown, rose, and red. Chemically, it is calcium fluoride, CaF2. Its crystals, commonly cubic, are transparent ...

Guanajuato, state, Mexico

(Encyclopedia)Guanajuato gwänähwäˈtō [key], state, 11,805 sq mi (30,575 sq km), W central Mexico, on the ...

Zacatecas, state, Mexico

(Encyclopedia)Zacatecas säkätāˈkäs [key], state (1990 pop. 1,276,329), 28,125 sq mi (72,844 sq km), N central Mexico. Zacatecas is the capital. Lying on the central plateau, Zacatecas is a state of semiarid pl...

governor, in government

(Encyclopedia)governor, chief executive of a dependent or component unit in a political system. In the United States, a governor is the chief executive of each state and is elected by the people of the state. In th...

Leiden, University of

(Encyclopedia)Leiden, University of, at Leiden, the Netherlands; founded 1575 by William the Silent, Prince of Orange. It became a state institution in the 19th cent. It has faculties of theology, law, medicine, sc...

Cotton Belt

(Encyclopedia)Cotton Belt, former agricultural region of the SE United States where cotton was the main cash crop throughout the 19th and much of the 20th cent. Located on the Atlantic and Gulf coastal plains and o...

Birney, James Gillespie

(Encyclopedia)Birney, James Gillespie bûrˈnē [key], 1792–1857, American abolitionist, b. Danville, Ky. He practiced law at Danville from 1814 to 1818, before he moved to Alabama, where he served one term in th...

United States

(Encyclopedia) CE5 CE5 CE5 United States, officially United States of America, republic (2015 est. pop. 319,929,000), 3,539,227 sq mi (9,166,598 sq km), North America. The United States is the world's third l...

Pincay, Laffit Alejandro, Jr.

(Encyclopedia)Pincay, Laffit Alejandro, Jr. läfˈēt älākhänˈdrō pēnˈkī, pĭnˈ– [key], 1946–, Panamanian jockey, b. Panama City. He began racing in Panama and came to the United States in 1965. Known ...

Louisville

(Encyclopedia)Louisville lo͞oˈēvĭl [key], city (1990 pop. 269,063), seat of Jefferson co., NW Ky., at the Falls of the Ohio; inc. 1780. It is the largest city in Kentucky, a port of entry, and an important indu...
 

Browse by Subject