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Vizsla

(Encyclopedia)Vizsla vĭzhˈlə [key], breed of large sporting dog introduced into Europe by the Magyar invasion of the 10th cent. and perfected in Hungary over hundreds of years; also called Hungarian pointer. It ...

Etna

(Encyclopedia)Etna or Aetna both: ĕtˈnə [key], volcano, 10,958 ft (3,340 m) high, on the east coast of Sicily, S Italy. One of the most active volcanoes in the world, it also is the highest active volcano in Eur...

appendix

(Encyclopedia)appendix, small, worm-shaped blind tube, about 3 in. (7.6 cm) long and 1⁄4 in. to 1 in. (.64–2.54 cm) thick, projecting from the cecum (part of the large intestine) on the right side of the lower ...

Pétion, Alexandre

(Encyclopedia)Pétion, Alexandre älĕksäNˈdrə pātyôNˈ [key], 1770–1818, Haitian revolutionist. After taking part in the expulsion (1798) of the English from Haiti, he joined (1799) André Rigaud against To...

boiler

(Encyclopedia)boiler, device for generating steam. It consists of two principal parts: the furnace, which provides heat, usually by burning a fuel, and the boiler proper, a device in which the heat changes water in...

lubrication

(Encyclopedia)lubrication, introduction of a substance between the contact surfaces of moving parts to reduce friction and to dissipate heat. A lubricant may be oil, grease, graphite, or any substance—gas, liquid...

fats and oils

(Encyclopedia)fats and oils, group of organic substances that form an important part of the diet and also are useful in many industries. The fats are usually solid, the oils generally liquid at ordinary room temper...

Eliot, T. S.

(Encyclopedia)Eliot, T. S. (Thomas Stearns Eliot), 1888–1965, American-British poet and critic, b. St. Louis, Mo. One of the most distinguished literary figures of the 20th cent., T. S. Eliot won the 1948 Nobel P...

Titan , in astronomy

(Encyclopedia)Titan tīˈtən [key], in astronomy, the largest of the named moons, or natural satellites, of Saturn. Also known as Saturn VI (or S6), Titan is 3,200 mi (5,150 km) in diameter, orbits Saturn at a mea...

quasicrystal

(Encyclopedia)quasicrystal kwāˈzīkrĭsˌtəl, kwäzˈē– [key] or quasiperiodic solid, solid body that exhibits such crystalline features as symmetry and repeating patterns of unit cells (regular arrangements ...