Columbia Encyclopedia

(Encyclopedia) Tripolitan War trĭpŏlˈĭtən [key], 1800–1815, conflict between the United States and the Barbary States. Piracy had become a normal source of income in the N African Barbary States long before t...

(Encyclopedia) Erie Canal, artificial waterway, c.360 mi (580 km) long; connecting New York City with the Great Lakes via the Hudson River. Locks were built to overcome the 571-ft (174-m) difference between the leve...

(Encyclopedia) Frémont, John Charles, 1813–90, American explorer, soldier, and political leader, b. Savannah, Ga. He taught mathematics to U.S. naval cadets, then became an assistant on a surveying expedition (18...

(Encyclopedia) caliphate kălˈĭfˌ [key], the spiritual head and temporal ruler of the Islamic state. In principle, Islam is theocratic: when Muhammad died, a caliph [Arab.,=successor] was chosen to rule in his pl...

(Encyclopedia) voice, sound produced by living beings. The source of the sound in human speaking and singing is the vibration of the vocal cords, which are inside the larynx, and the production of the sounds is call...

(Encyclopedia) Papal States, Ital. Lo Stato della Chiesa, from 754 to 1870 an independent territory under the temporal rule of the popes, also called the States of the Church and the Pontifical States. The territory...

(Encyclopedia) Transylvania trănˌsĭlvāˈnyə [key], Rom. Transilvania or Ardeal, Hung. Erdély, Ger. Siebenbürgen, historic region and province (21,292 sq mi/55,146 sq km), central Romania. A high plateau, Tran...

(Encyclopedia) Abelard, Peter pyĕr äbālärˈ [key], 1079–1142, French philosopher and teacher, b. Le Pallet, near Nantes. A theological Platonist, Abelard emphasized Aristotle's dialectic method. His belief t...

(Encyclopedia) commune kômˈyo͞on [key], in medieval history, collective institution that developed in continental Europe after the fall of the Roman Empire. Because of the importance of the commune in municipal g...

(Encyclopedia) Veda vāˈdə, vēˈdə [key] [Sanskrit,=knowledge, cognate with English wit, from a root meaning know], oldest scriptures of Hinduism and the most ancient religious texts in an Indo-European language...