Columbia Encyclopedia

Search results

500 results found

ethology

(Encyclopedia)ethology, study of animal behavior based on the systematic observation, recording, and analysis of how animals function, with special attention to physiological, ecological, and evolutionary aspects. ...

X-ray crystallography

(Encyclopedia)X-ray crystallography, the study of crystal structures through X-ray diffraction techniques. When an X-ray beam bombards a crystalline lattice in a given orientation, the beam is scattered in a defini...

Brest-Litovsk, Treaty of

(Encyclopedia)Brest-Litovsk, Treaty of brĕst-lĭtôfskˈ [key], separate peace treaty in World War I, signed by Soviet Russia and the Central Powers, Mar. 3, 1918, at Brest-Litovsk (now Brest, Belarus). After the ...

Bernhard of Saxe-Weimar

(Encyclopedia)Bernhard of Saxe-Weimar săksˈ–wīˈmär, zäksˈə-vīˈmär [key], 1604–39, Protestant general in the Thirty Years War, duke of Weimar. Under Ernst von Mansfeld and the margrave of Baden, Bernh...

Lassalle, Ferdinand

(Encyclopedia)Lassalle, Ferdinand fĕrˈdēnänt läsälˈ [key], 1825–64, German socialist. The son of a Jewish merchant, he studied at the universities of Breslau and Berlin, where he became a philosophical Heg...

monism

(Encyclopedia)monism mōˈnĭzəm [key] [Gr.,=belief in one], in metaphysics, term introduced in the 18th cent. by Christian von Wolff for any theory that explains all phenomena by one unifying principle or as mani...

McCormick, Robert Sanderson

(Encyclopedia)McCormick, Robert Sanderson, 1849–1919, American diplomat, b. Rockbridge co., Va.; nephew of Cyrus Hall McCormick. President McKinley appointed (1901) him minister to Austria-Hungary. He became the ...

Kananga

(Encyclopedia)Kananga lo͞olwäbo͞orˈ [key], city (1984 pop. 298,693), capital of Kasai-Central prov., S central Congo (Kinshasa), on the Lulua River. It is the commercial and transportation center of a region wh...

Courland

(Encyclopedia)Courland or Kurland both: kûrˈlănd, Ger. ko͞orˈlänt [key], Latvian Kurzeme, historic region and former duchy, in Latvia, between the Baltic Sea and the Western Dvina River. It is an agricultural...

Vaughan, Henry

(Encyclopedia)Vaughan, Henry vôn [key], 1622–95, one of the English metaphysical poets. Born in Breconshire, Wales, he signed himself Silurist, after the ancient inhabitants of that region. After leaving Oxford,...