Columbia Encyclopedia

Search results

500 results found

Fort Sill

(Encyclopedia)Fort Sill, U.S. military reservation, Comanche co., SW Okla., 4 mi (6.4 km) N of Lawton; est. 1869 by Gen. Philip Sheridan. A 95,000-acre (38,445-hectare) field artillery and missile base, it is the h...

Alfvén, Hannes Olof Gösta

(Encyclopedia)Alfvén, Hannes Olof Gösta, 1908–95, Swedish physicist, Ph.D. Univ. of Uppsala, 1934. He was a lecturer at Uppsala from 1934 to 1937 and a researcher at the Nobel Institute of Physics from 1937 to ...

Leidy, Joseph

(Encyclopedia)Leidy, Joseph līˈdē [key], 1823–91, American scientist, b. Philadelphia, grad. Univ. of Pennsylvania medical school. From 1853 he taught anatomy at his alma mater. He was also professor of natura...

Schwerin, Kurt Christoph, Graf von

(Encyclopedia)Schwerin, Kurt Christoph, Graf von ko͝ort krĭsˈtôf gräf fən shvārēnˈ [key], 1684–1757, Prussian field marshal. He was one of the most brilliant lieutenants of King Frederick II of Prussia i...

mouse

(Encyclopedia)mouse, name applied to numerous species of small rodents, often having soft gray or brown fur, long hairless tails, and large ears. The chief distinction between these animals and the variety of roden...

Carboniferous period

(Encyclopedia)Carboniferous period kärbənĭfˈərəs [key], fifth period of the Paleozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), from 350 to 290 million years ago. The pl...

Homo erectus

(Encyclopedia)Homo erectus hōˈmō ērĕkˈtəs [key], extinct hominin living between 1.6 million and 250,000 years ago, possibly as late as c.110,000 years ago. Homo erectus is thought to have evolved in Africa f...

De Maria, Walter Joseph

(Encyclopedia)De Maria, Walter Joseph, 1935–2013, American sculptor, b. Albany, Calif. From the late 1950s into the 60s De Maria partcipated in “Happenings,” created Dada-influenced minimalist sculptures, and...

Irish setter

(Encyclopedia)Irish setter, breed of large sporting dog developed in Ireland in the 18th cent. It stands about 26 in. (66.0 cm) high at the shoulder and weighs between 50 and 70 lb (22.7–31.8 kg). Its moderately ...

Thutmose IV

(Encyclopedia)Thutmose IV thŏthˈmēz, tōtˈmĕs [key], reigned c.1406–1398 b.c., king of ancient Egypt, of the XVIII dynasty, son and successor of Amenhotep II. He invaded Asia and Nubia, and formed alliances ...