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radiator

(Encyclopedia)radiator, device used to heat an area surrounding it or to cool a fluid circulating within it. The familiar radiators of steam and hot water heating systems in buildings are misnamed, as they operate ...

court tennis

(Encyclopedia)court tennis, indoor racket and net game of ancient origin. It is believed to have originated (about the 14th cent.) in medieval France and is the forerunner of most modern racket games. In its early ...

Crookes tube

(Encyclopedia)Crookes tube, device invented by Sir William Crookes (c.1875) consisting essentially of a sealed glass tube from which nearly all the air has been removed and through the walls of which are passed two...

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...

Antiope

(Encyclopedia)Antiope ăntīˈəpē [key], in Greek mythology. 1 Theban princess, daughter of Nycteus. She was seduced by Zeus and bore him twin sons, Zethus and Amphion. Fleeing to Sicyon to escape the wrath of he...

embolus

(Encyclopedia)embolus ĕmˈbələs [key], foreign matter circulating in and obstructing a blood vessel. It may be a portion of a clot that has separated from the wall of a vessel (see thrombosis), a bubble of gas o...

Nemrut, Mount

(Encyclopedia)Nemrut, Mount, Turk. Nemrut Dağ, mountain in SE Turkey, in the Anti-Taurus Mts. Rising 7,052 ft (2,150 m), it is the site of the mausoleum of Antiochus I (c.69–c.34 b.c.), king of ancient Commagene...

Livorno

(Encyclopedia)Livorno lē vôrˈnô [key], Brit. Leghorn, city (1991 pop. 167,512), capital of Livorno prov., Tuscany, central Italy, on the Ligurian Sea and on the Aurelian Way. It is a busy commercial, industrial...

vomiting

(Encyclopedia)vomiting, ejection of food and other matter from the stomach through the mouth, often preceded by nausea. The process is initiated by stimulation of the vomiting center of the brain by nerve impulses ...