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lintel

(Encyclopedia)lintel, in architecture, the horizontal member that spans an opening, such as a door or window, or that connects two columns. The post-and-lintel, or trabeated, system of construction, with spans limi...

smaltite

(Encyclopedia)smaltite smôlˈtīt [key], opaque tin-white to steel-gray mineral of the pyrite group, a compound of cobalt and arsenic. It occurs in massive form, occasionally in crystals (cubes) of the isometric s...

Duncan Smith, Iain

(Encyclopedia)Duncan Smith, Iain, 1954–, British political leader, b. Edinburgh. Educated at the Royal Military Academy, Sandhurst, he served in the Scots Guards from 1975 to 1981, leaving the army for a series o...

aorta

(Encyclopedia)CE5 Aorta aorta āôrˈtə [key], primary artery of the circulatory system in mammals, delivering oxygenated blood to all other arteries except those of the lungs. The human aorta, c.1 in. (2.54 c...

antifreeze

(Encyclopedia)antifreeze, substance added to a solvent to lower its freezing point. The solution formed is called an antifreeze mixture. Antifreeze is typically added to water in the cooling system of an internal-c...

guild socialism

(Encyclopedia)guild socialism, form of socialism developed in Great Britain that advocated a system of industrial self-government through national worker-controlled guilds. The theory, as originated by Arthur J. Pe...

Oswego, city, United States

(Encyclopedia)Oswego ŏswēˈgō [key], city (1990 pop. 19,195), seat of Oswego co., N central N.Y., on Lake Ontario and the Oswego River; founded 1722, inc. as a city 1848. The largest U.S. port on Lake Ontario, i...

buoy

(Encyclopedia)buoy boi, bo͞oˈē [key], float anchored in navigable waters to mark channels and indicate dangers to navigation (isolated rocks, mine fields, cables, and the like). The shape, color, number, and mar...

Carpathians

(Encyclopedia)Carpathians kärpāˈthēənz [key] or Carpathian Mountains, Czech, Pol., and Ukr. Karpaty, Rom. Carpaţii, major mountain system of central and E Europe, extending c.930 mi (1,500 km) along the north...

cartilage

(Encyclopedia)cartilage kärˈtəlĭj [key], flexible semiopaque connective tissue without blood vessels or nerve cells. It forms part of the skeletal system in humans and in other vertebrates, and is also known as...