Columbia Encyclopedia

(Encyclopedia) Louis, Morris, 1912–62, American painter, b. Baltimore. A practitioner of color-field painting, Louis was noted for soaking poured paint through unsized and often unstretched canvas. Prior to 1960 h...

(Encyclopedia) chiaroscuro kyärōsko͞oˈrō [key] [Ital.,=light and dark], term once applied to an early method of printing woodcuts from several blocks and also to works in black and white or monotone. Today it i...

(Encyclopedia) Kingsport, city (1990 pop. 36,365), Hawkins and Sullivan counties, NE Tenn., on the Holston River near the Va. line; inc. 1917. Industries include one of the largest printing and bookbinding plants in...

(Encyclopedia) Swan, Sir Joseph Wilson, 1828–1914, English chemist and physicist. He made an incandescent lamp using a carbon filament (1860), 20 years before Edison's lamp. Noted for important contributions to ph...

(Encyclopedia) aquamarine ăkˌwəmərēnˈ, äkˌ– [key] [Lat.,=seawater], transparent beryl with a blue or bluish-green color. Sources of the gems include Brazil, Siberia, the Union of Myanmar, Madagascar, and p...

(Encyclopedia) Harlow, city and district, Essex, E England. Harlow was designated one of the new towns in 1946 to alleviate overpopulation in London. It grew rapidly t...

(Encyclopedia) Springdale, city (1990 pop. 29,941), Benton and Washington counties, NW Ark.; inc. 1878. It is a poultry-processing center, and there is vegetable canning, printing, and the manufacture of air conditi...

(Encyclopedia) Moradabad môrədəbădˈ, mōrädäbädˈ [key], city (1991 pop. 443,701), Uttar Pradesh state, N central India. It is an important rail junction and an agricultural market center. There are industri...

(Encyclopedia) Agua Azul, series of waterfalls and pools on the Xanil River in Chiapas state, S Mexico, SW of Palenque in the Cascadas de Agua Azul Natural Park. The waters of the Agua Azul are noted for their brill...

(Encyclopedia) quantum chromodynamics (QCD), quantum field theory that describes the properties of the strong interactions between quarks and between protons and neutrons in the framework of quantum theory. Quarks p...