Columbia Encyclopedia

Search results

500 results found

May, Philip William

(Encyclopedia)May, Philip William (Phil May), 1864–1903, English pen-and-ink caricaturist, b. Leeds. After living in poverty for many years, he made numerous drawings for the St. Stephen's Review. Phil May's Wint...

Ohlin, Bertil

(Encyclopedia)Ohlin, Bertil bĕrˈtĭl ōˈlĭn [key], 1899–1979, Swedish economist, b. Klippan. A professor at several Swedish universities, he wrote the influential Interregional and International Trade (1933, ...

Thomas, Isaiah

(Encyclopedia)Thomas, Isaiah, 1749–1831, American patriot and printer, from Worcester, Mass. Thomas printed outspoken Whig editorials in the Massachusetts Spy, a newspaper that he helped to found. He fought at th...

binocular

(Encyclopedia)CE5 Binocular binocular, small optical instrument consisting of two similar telescopes mounted on a single frame so that separate images enter each of the viewer's eyes. As with a single telescope...

aberration

(Encyclopedia)CE5 A. Spherical aberration: Light rays near the edge of the lens are bent more and brought to focus nearer to the lens. B. Chromatic aberration: Shorter wavelengths (higher frequencies) are bent m...

typography

(Encyclopedia)typography tīpŏgˈrəfē [key], the art of printing from movable type. The term typographer is today virtually synonymous with a master printer skilled in the techniques of type and paper stock sele...

Hanson, Duane

(Encyclopedia)Hanson, Duane, 1925–96, American sculptor, b. Alexandria, Minn. A member of the superrealist movement of the late 1960s and early 70s, Hanson produced life-sized tableaux of realistic figures and pr...

saddle

(Encyclopedia)saddle, seat or pad to support the rider on an animal, chiefly a horse. The saddles mentioned in the Bible are generally considered to have been saddlecloths. The ancient Greeks sometimes used saddlec...

carboxyl group

(Encyclopedia)carboxyl group kärbŏkˈsĭl [key], in chemistry, functional group that consists of a carbon atom joined to an oxygen atom by a double bond and to a hydroxyl group, OH, by a single bond. Carboxylic a...

antibiotic

(Encyclopedia)antibiotic, any of a variety of substances, usually obtained from microorganisms, that inhibit the growth of or destroy certain other microorganisms. Although for centuries preparations derived from ...