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Karun

(Encyclopedia)Karun käro͞onˈ [key], river, c.450 mi (720 km) long, rising in the Zagros Mts., W Iran, and flowing S to the Shatt al Arab on the Iraqi border. The Karun is navigable to Ahvaz for shallow draft ves...

greenhouse

(Encyclopedia)greenhouse, enclosed glass house used for growing plants in regulated temperatures, humidity, and ventilation. A greenhouse can range from a small room carrying a few plants over the winter, to an imm...

Fornés, María Irene

(Encyclopedia)Fornés, María Irene, 1930–2018, Cuban-American playwright and director; she emigrated from Cuba with her family after her father's death in 1945. An early experimental work, Promenade (1965), a mu...

Algardi, Alessandro

(Encyclopedia)Algardi, Alessandro älās-sänˈdrō älgärˈdē [key], 1595–1654, Italian sculptor and designer, b. Bologna. He studied under Lodovico Carracci. In Rome his friend Domenichino obtained his first ...

alkali

(Encyclopedia)alkali ălˈkəlī [key] [Arab., al-gili=ashes of saltwort], hydroxide of an alkali metal. Alkalies are readily soluble in water and form strongly basic solutions with a characteristic acrid taste. Th...

Ctesiphon

(Encyclopedia)Ctesiphon tĕsˈĭfŏnˌ, tēˈsĭ– [key], ruined ancient city, 20 mi (32 km) SE of Baghdad, Iraq, on the left bank of the Tigris opposite Seleucia and at the mouth of the Diyala River. After 129 b....

Daddi, Bernardo

(Encyclopedia)Daddi, Bernardo bārnärˈdō dädˈdē [key], fl. 1312–48, Italian painter of the Florentine school. First influenced by his contemporary Giotto, he soon adopted the delicate line and lyrical expre...

turquoise

(Encyclopedia)turquoise, hydrous phosphate of aluminum and copper, Al2(OH)3PO4·H2O+Cu, used as a gem. It occurs rarely in crystal form, but is usually cryptocrystalline. Turquoise is opaque and has a waxy luster; ...

Trudeau, Edward Livingston

(Encyclopedia)Trudeau, Edward Livingston tro͞oˈdō [key], 1848–1915, American physician, b. New York City, M.D. Columbia, 1871. As a result of taking care of his brother, who had tuberculosis, he developed the ...

Union League Clubs

(Encyclopedia)Union League Clubs, in U.S. history, organizations formed throughout the North in the Civil War after the military defeats and Republican election losses of 1862. A convention at Cleveland (May, 1863)...