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Denver

(Encyclopedia)Denver, city (2020 pop. 715,522), alt. 5,280 ft (1,609 m), state capital, coextensive with Denver co., N central Colo., on a plateau at the foot of the ...

Free State

(Encyclopedia)Free State, formerly Orange Free State, province, 50,126 sq mi (129,825 sq km), E central South Africa. It was renamed Free State shortly after the 1994...

Hockney, David

(Encyclopedia)Hockney, David, 1937–, English painter, studied Royal College of Art. Moving from a distorted, semiexpressionist form of pop art, Hockney developed a highly personal realistic style, producing image...

strontium

(Encyclopedia)strontium strŏnˈshēəm [key] [from Strontian, a Scottish town], a metallic chemical element; symbol Sr; at. no. 38; at. wt. 87.62; m.p. 769℃; b.p. 1,384℃; sp. gr. 2.6 at 20℃; valence +2. Stro...

boa

(Encyclopedia)boa bōˈə [key], name for live-bearing constrictor snakes of the family Boidae, found mostly in the Americas. This family, which also comprises the egg-laying pythons of the Old World, includes the ...

lithium

(Encyclopedia)lithium lĭthˈēəm [key] [Gr.,=stone], metallic chemical element; symbol Li; at. no. 3; interval in which at. wt. ranges 6.938–6.997; m.p. about 180.54℃; b.p. about 1,342℃; sp. gr. .534 at 20�...

arsenic

(Encyclopedia)arsenic ärˈsənĭk [key], a semimetallic chemical element; symbol As; at. no. 33; at. wt. 74.92160; m.p. 817℃ (at 28 atmospheres pressure); sublimation point 613℃; sp. gr. (stable form) 5.73; va...

mercury poisoning

(Encyclopedia)mercury poisoning, tissue damage resulting from exposure to more than trace amounts of the element mercury or its compounds. Elemental mercury (the silver liquid familiar from thermometers) is the mos...

molybdenum

(Encyclopedia)molybdenum məlĭbˈdənəm [key] [Gr.,=leadlike], metallic chemical element; symbol Mo; at. no. 42; at. wt. 95.96; m.p. about 2,617℃; b.p. about 4,612℃; sp. gr. 10.22 at 20℃; valence +2, +3, +4...

Shan State

(Encyclopedia)Shan State shän [key], state (1983 pop. 3,718,706), c.60,000 sq mi (155,400 sq km), E central Myanmar. Taunggyi, the capital, and Lashio are its principal cities. It borders on China in the north, La...