Columbia Encyclopedia

(Encyclopedia) milk of magnesia, common name for the chemical compound magnesium hydroxide, Mg(OH)2. The viscous, white, mildly alkaline mixture that is used medicinally as an antacid and laxative is a suspension of...

(Encyclopedia) North Fork, river, c.100 mi (160 km) long, rising in the Ozarks, S Mo., and flowing S, into N Ark., to the White River. Near its mouth is Norfolk Dam (completed 1944), which impounds Norfolk Lake and ...

(Encyclopedia) Jones Beach, state park, 2,413 acres (977 hectares), on an offshore bar, SW Long Island, SE N.Y., in Nassau co.; est. 1929. It is noted for its wide, white sand beaches, outdoor marine theater, and va...

(Encyclopedia) rhinoceros, massive hoofed mammal of Africa, India, and SE Asia, characterized by a snout with one or two horns. The rhinoceros family, along with the horse and tapir families, forms the order of odd-...

(Encyclopedia) nutcracker, common name for a small crow of the genus Nucifraga in the family Corvidae (crow family). The Old World nutcracker (N. caryocatactes) is found throughout the colder regions of Europe, incl...

(Encyclopedia) Onega, Lake, Finnish Aäninen, Rus. Onezhskoye Ozero, lake, c.3,800 sq mi (9,800 sq km), NW European Russia, in Karelia, between Lake Ladoga and the White Sea. The second largest lake in Europe, it is...

(Encyclopedia) Baker, Russell, 1925–2018, American journalist, author, humorist, and television personality, b. Loudon Co., Va., grad. John Hopkins (1947). He began as a night police reporter for The Baltimore Sun...

(Encyclopedia) dipper, common name for the only aquatic member of the order Perciformes (perching birds) found near cold mountain streams. With their short, stubby wings and tails and their thick brownish plumage, d...

(Encyclopedia) colorization, motion picture, electronic process that uses computers to add color to black-and-white movies, creating new colored videotape versions. Invented by Canadians Wilson Markle and Brian Hunt...

(Encyclopedia) columbine kŏlˈəmbīn [key], any plant of the genus Aquilegia, temperate-zone perennials of the family Ranunculaceae (buttercup family), popular both as wildflowers and as garden flowers. Columbines...