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ethylene

(Encyclopedia)ethylene ĕthˈēn [key], H2C=CH2, a gaseous unsaturated hydrocarbon. It is the simplest alkene. Ethylene is colorless, has a faint odor, and has a slightly sweet taste; it melts at −169.4℃ and bo...

McClatchy, J. D.

(Encyclopedia)McClatchy, J. D. (Joseph Donald McClatchy, Jr.), 1945–2018, American poet, b. Bryn Mawr, Pa., B.A. Georgetown Univ., 1967, Ph.D. Yale, 1974. His first collection of poems, Scenes from Another Life (...

Regency

(Encyclopedia)Regency, in British history, the period of the last nine years (1811–20) of the reign of George III, when the king's insanity had rendered him unfit to rule and the government was vested in the prin...

Sainte-Beuve, Charles Augustin

(Encyclopedia)Sainte-Beuve, Charles Augustin shärl ōgüstăNˈ săNt-böv [key], 1804–69, French literary historian and critic. The first major professional literary critic, he developed the art of appreciating...

oxalis

(Encyclopedia)oxalis ŏkˈsəlĭs [key] or wood sorrel, any species of the plant genus Oxalis. Most of the cultivated kinds are tropical herbs used as window plants. The leaves are usually cloverlike and respond to...

Coptic art

(Encyclopedia)Coptic art, Christian art in the upper Nile valley of Egypt. Reaching its mature phase in the late 5th and 6th cent., the development of Coptic art was interrupted by the Arab conquest of Egypt betwee...

Fisher, M. F. K.

(Encyclopedia)Fisher, M. F. K. (Mary Frances Kennedy Fisher), 1908–92, American culinary writer, b. Albion, Mich. Raised in California, Fisher lived in France for three years, where she was inspired by Brillat-Sa...

water skiing

(Encyclopedia)water skiing, sport of riding on skis along the water's surface while being towed by a motorboat. It probably originated on the French Riviera in the early 1920s, and was known in the United States by...

sodium carbonate

(Encyclopedia)sodium carbonate, chemical compound, Na2CO3, soluble in water and very slightly soluble in alcohol. Pure sodium carbonate is a white, odorless powder that absorbs moisture from the air, has an alkalin...

Ribera, Jusepe

(Encyclopedia)Ribera, Jusepe, José, or Giuseppe ho͞osāˈpā rēbāˈrä, hōsāˈ, jo͞ozĕpˈpā [key], c.1590–1652, Spanish baroque painter. He studied in Valencia and Rome but at an early age settled in Nap...