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Athabasca

(Encyclopedia)Athabasca ăthəbăsˈkə [key], river, 765 mi (1,231 km) long, rising in the Columbia snowfield of the Canadian Rockies near the Alta.–British Columbia line and flowing N through Jasper National Pa...

magnetite

(Encyclopedia)magnetite măgˈnətīt [key], lustrous black, magnetic mineral, Fe3O4. It occurs in crystals of the cubic system, in masses, and as a loose sand. It is one of the important ores of iron (magnetic iro...

Marshfield

(Encyclopedia)Marshfield. 1 Town (1990 pop. 21,531), Plymouth co., SE Mass., on the Atlantic coast; settled 1632, inc. 1640. Sand and gravel are produced, as well as electronic products. Several colonial buildings ...

Swains Island

(Encyclopedia)Swains Island, island, 1 sq mi (2.59 sq km), district of American Samoa, c.200 mi (320 km) N of Tutuila. It is a ring of sand and coral with luxuriant vegetation. Swains Island has been privately owne...

Uvalde

(Encyclopedia)Uvalde yo͞ovălˈdē [key], city (1990 pop. 14,729), seat of Uvalde co., SW Tex., in a farm area; founded c.1854, inc. as a city 1921. It is a rail junction in an agricultural area with cattle, sheep...

Gulf War syndrome

(Encyclopedia)Gulf War syndrome, popular name for a variety of ailments experienced by veterans after the Persian Gulf War. Symptoms reported include nausea, cramps, rashes, short-term memory loss, fatigue, difficu...

lancelet

(Encyclopedia)lancelet, name for small, fishlike lower chordate (see Chordata), also called amphioxus; it shows many affinities with the vertebrates. There are about 30 lancelet species, most belonging to the genus...

Sophia Dorothea

(Encyclopedia)Sophia Dorothea sōfīˈə dŏrəthēˈə [key], 1666–1726, electress of Hanover, wife of Elector George Louis (later King George I of England); sometimes called Sophia Dorothea of Celle. Married to...

suspension, in chemistry

(Encyclopedia)suspension, in chemistry, mixture of two substances, one of which is finely divided and dispersed in the other. Common suspensions include sand in water, fine soot or dust in air, and droplets of oil ...

Ramla

(Encyclopedia)Ramla or Ramleh both: rämˈlĕ [key] [Arab.,=sand], town (1994 pop. 57,300), central Israel, in a farming area. Ramla may be the biblical Ramathaim-zophim, but more probably it was founded (c.716) by...