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Fort Peck Dam

(Encyclopedia)Fort Peck Dam, 21,430 ft (6,531 m) long and 250 ft (76 m) high, on the Missouri River, NE Mont.; one of the world's largest earth-filled dams. The dam was built (1933–40) by the U.S. Army Corps of E...

Garonne

(Encyclopedia)Garonne gärônˈ [key], river, 402 mi (647 km) long, rising in the central Pyrenees just inside Spain, and flowing generally NE to Toulouse, in SW France, where it swings northwest to join the Dordog...

solenoid

(Encyclopedia)solenoid sōˈlənoidˌ [key], device made of a long wire that has been wound many times into a tightly packed coil; it has the shape of a long cylinder. If current is sent through a solenoid made of ...

Pecos, river, United States

(Encyclopedia)Pecos, river, 926 mi (1,480 km) long, rising in N N.Mex. near the Truchas peaks and flowing SE across E N.Mex. and W Tex. to the Rio Grande; drains c.38,300 sq mi (99,200 sq km). In New Mexico, dams a...

gourami

(Encyclopedia)gourami go͞oräˈmē [key], tropical freshwater fish of the labyrinth fish suborder. Like other members of that suborder, gouramis have a labyrinthine breathing apparatus connected to each gill chamb...

day

(Encyclopedia)day, period of time for the earth to rotate once on its axis. The ordinary day, or solar day, is measured relative to the sun, being the time between successive passages of the sun over a stationary o...

Apatosaurus

(Encyclopedia)Apatosaurus ăpˌətəsôrˈəs, āˌpătˌə– [key], [Gr.,=deceptive lizard], quadruped saurischian dinosaur, estimated to be from 70 to 90 ft (21 to 27 m) in length and to weigh up to 30 tons (27 ...

badger

(Encyclopedia)badger, name for several related members of the weasel family. Most badgers are large, nocturnal, burrowing animals, with broad, heavy bodies, long snouts, large, sharp claws, and long, grizzled fur. ...

woodpecker

(Encyclopedia)woodpecker, common name for members of the Picidae, a large family of climbing birds found in most parts of the world. Woodpeckers typically have sharp, chisellike bills for pecking holes in tree trun...

Saimaa

(Encyclopedia)Saimaa sīˈmä [key], lake system c.1,850 sq mi (4,790 sq km), occupying the heavily glaciated plateau of S central Finland. It comprises more than 120 connecting lakes; the large southern basin of t...