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sawmill

(Encyclopedia)sawmill, installation or facility in which cut logs are sawed into standard-sized boards and timbers. The saws used in such an installation are generally of three types: the circular saw, which consis...

Newfoundland, breed of dog

(Encyclopedia)Newfoundland, breed of massive, powerful working dog developed in Newfoundland, probably in the 17th cent., and later perfected in England. It stands from 25 to 28 in. (63.5–71.1 cm) high at the sho...

marlin

(Encyclopedia)marlin, common name for open-sea fish related to the sailfish (family Istiophoridae) and prized in sport fishing. The best known is the Atlantic blue marlin, Makaira nigricans, found in the Gulf Strea...

horned lizard

(Encyclopedia)horned lizard or horned toad, broad, flat-bodied lizards of the genus Phrynosoma, found in arid regions from extreme SW Canada to Guatemala. There are several species in the United States W of the Mis...

Guadalquivir

(Encyclopedia)Guadalquivir gwäˌᵺälkēvērˈ [key], river, c.350 mi (560 km) long, rising in the Sierra de Cazorla, SE Spain, and flowing generally SW past Córdoba and Seville into the Atlantic Ocean near Sanl...

cyclosis

(Encyclopedia)cyclosis sīklōˈsĭs [key], streaming of cytoplasm within a living cell without deformation of the external cell membrane. In some plant cells there is a rapid rotatory cytoplasmic movement, which i...

Coanda effect

(Encyclopedia)Coanda effect or wall-attachment effect, the tendency of a moving fluid, either liquid or gas, to attach itself to a surface and flow along it. As a fluid moves across a surface a certain amount of fr...

navigable water

(Encyclopedia)navigable water, in the broadest sense, a stream or body of water that can be used for commercial transportation. When, as in the early common law, the term is restricted to waters affected by tides, ...

pneumatic tool

(Encyclopedia)pneumatic tool no͝omătˈĭk [key], instrument activated by air pressure. Pneumatic tools are designed around three basic devices: the air cylinder, the vane motor, and the sprayer. The air cylinder ...