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Sac and Fox

(Encyclopedia)Sac and Fox, closely related Native Americans of the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American languages). Sac and Fox culture was of the Eastern Woodlands are...

Tohono O'Odham

(Encyclopedia)Tohono O'Odham păpˈəgōˌ, päˈ– [key], Native North Americans speaking a language that belongs to the Uto-Aztecan branch of the Aztec-Tanoan linguistic stock (see Native American languages) and...

Revolutionary Guards

(Encyclopedia)Revolutionary Guards, officially the Islamic Revolution Guards Corps (IRGC) or Pasdaran, Iranian military group formed in the aftermath of the 1979 revolution by young Islamic activists loyal to Ayato...

complex variable analysis

(Encyclopedia)complex variable analysis, branch of mathematics that deals with the calculus of functions of a complex variable, i.e., a variable of the form z=x+iy, where x and y are real and i=−1 (see number). A...

geriatrics

(Encyclopedia)geriatrics jĕrēăˈtrĭks [key], the branch of medicine concerned with conditions and diseases of the aged. Many disabilities in old age are caused by or related to the deterioration of the circulat...

Goebbels, Joseph

(Encyclopedia)Goebbels, Joseph (Paul Joseph Goebbels) poul yōˈzĕf göbˈəls [key], 1897–1945, German National Socialist propagandist. He was kept out of the service in World War I by a clubfoot. After graduat...

Five Civilized Tribes

(Encyclopedia)Five Civilized Tribes, inclusive term used since mid-19th cent. for the Cherokee, Chickasaw, Choctaw, Creek, and Seminole tribes of E Oklahoma. By 1850 some 60,000 members of these tribes were settled...

Erie Railroad

(Encyclopedia)Erie Railroad, rail transportation line designed to connect the mouth of the Hudson River with the Great Lakes region. The New York and Erie RR Company was enfranchised and incorporated in 1832, and c...

Turabi, Hassan Abdallah al-

(Encyclopedia)Turabi, Hassan Abdallah al- häˈsän äbdäˈlä äl-to͞oräˈbē [key], 1932–2016, Sudanese religious and political leader, b. Kassala, Anglo-Egyptian Sudan (now Sudan). He studied law in Sudan a...

Pygmy

(Encyclopedia)Pygmy or Pigmy both: pĭgˈmē [key], term used for dark-skinned people who live in equatorial rain forests and average less than 59 in. (150 cm) in height. Some studies make a distinction between Neg...