secessionist movement that successfully fought for the creation of an independent Eritrean nation out of the northernmost province of Ethiopia in 1993.
city, Bavaria Land (state), southern Germany. It lies at the junction of the Schwabach and Regnitz rivers, just north of Nurnberg. Founded in the 8th century, Erlangen was transferred from the bishopric of Wurzburg to that of ...
American physiologist, who received (with Herbert Gasser) the Nobel Prize for Physiology or Medicine in 1944 for discovering that fibres within the same nerve cord possess different functions.
king of the Ostrogoths, the ruler of a vast empire in Ukraine. Although the exact limits of his territory are obscure, it evidently stretched south of the Pripet Marshes between the Don and Dniester rivers.
gemeente (commune), Gelderland provincie, central Netherlands, near Veluwe Lake, comprising the villages of Ermelo, Nunspeet, and Elspeet. First mentioned in 855, it has ruins of the monastery of the Knights of St. John and a church with an 11th-century Romanesque ...
any of several northern weasel (q.v.) species of the genus Mustela, family Mustelidae, called ermine especially during the winter-white colour phase; this white coat is the ermine of the fur trade.
any of several species of insects belonging to the family Yponomeutidae (order Lepidoptera). Ermine moths are widely distributed in the Northern Hemisphere. The hairy caterpillars feed on dandelions and other weeds, cultivated shrubs, and trees, particularly fruit trees. Ermine moths ...
major Roman road in England between London and York. It ran north from Bishopsgate, London, through Ware, Royston, Godmanchester, and Ancaster to Lincoln (Lindum) and thence to York (Eboracum), crossing the River Humber at Brough. It remained one of the ...
lake in Fermanagh district (established 1973), formerly County Fermanagh, Northern Ireland. It is 40 miles (64 km) long and has an average width of 5 miles (8 km) and a maximum depth of 200 feet (60 m). The lake consists ...
duke of Saxe-Coburg-Saalfeld (as Ernest III) from 1806 and then, from 1826, duke of Saxe-Coburg-Gotha. He was the uncle of Queen Victoria and the father of her husband, Prince Albert.
grand duke of Hesse-Darmstadt from 1892 until his abdication in 1918, at the end of World War I. His father was the grand duke Louis IV, whom he succeeded on March 13, 1892, and his mother was Princess Alice, daughter ...
German painter, sculptor, one of the leading advocates of irrationality in art, and an originator of the Automatism movement of Surrealism. His youthful interests were psychiatry and philosophy, but he abandoned his studies at the University of Bonn for painting.
Swiss researcher and teacher who in 1991 won the Nobel Prize for Chemistry for his development of techniques for high-resolution nuclear magnetic resonance (NMR) spectroscopy. Ernst's refinements made NMR techniques a basic and indispensable tool in chemistry and also extended ...
town, northern Tamil Nadu state, southeastern India, on the Cauvery River. Temple inscriptions indicate the prominent role played by the town as early as the 10th century AD. Its name is associated with a Cola temple (907-1279) and means "wet ...
first asteroid found to travel mainly inside the orbit of Mars and the first to be orbited and landed on by a spacecraft. Eros was discovered in 1898 by the German astronomer Gustav Witt at the Urania Observatory in Berlin. ...
in Greek religion, god of love. In the Theogony of Hesiod (fl. 700 BC), Eros was a primeval god, son of Chaos, the original primeval emptiness of the universe; but later tradition made him the son of Aphrodite, goddess of ...
removal of surface material from the Earth's crust, primarily soil and rock debris, and the transportation of the eroded materials by natural agencies from the point of removal.
literary or artistic works having an erotic theme; especially, books treating of sexual love in a sensuous or voluptuous manner. The word erotica typically applies to works in which the sexual element is regarded as part of the larger aesthetic ...
range of hills in western Andhra Pradesh state, southern India. The hills are situated on the Deccan Plateau and are composed of quartzites and slates of the Cambrian Period (540 million to 505 million years ago) with interbedded lavas of ...
glacier-transported rock fragment that differs from the local bedrock. Erratics may be embedded in till or occur on the ground surface and may range in size from pebbles to huge boulders weighing thousands of tons. The distance of transportation may ...
volcanic island of Vanuatu, in the southwestern Pacific Ocean. The island, with an area of 376 square miles (975 square km), rises in the interior to about 2,900 feet (885 m) at Santop Peak. It had a sandalwood trade beginning ...
in applied mathematics, the difference between a true value and an estimate, or approximation, of that value. In statistics, a common example is the difference between the mean of an entire population and the mean of a sample drawn from ...
any of a colourful variety of floor coverings handmade by Ersari Turkmen of Turkmenistan and Uzbekistan. Contrary to the custom of the other Turkmen, the Ersaris have no proper gul, or specific tribal motif; consequently, their carpets ...
British Whig lawyer who made important contributions to the protection of personal liberties. His defense of various politicians and reformers on charges of treason and related offenses acted to check repressive measures taken by the British government in the aftermath ...
fashion illustrator of the 1920s and creator of visual spectacle for French music-hall revues. His designs included dresses and accessories for women; costumes and sets for opera, ballet, and dramatic productions; and posters and prints. (His byname was derived from ...
tool industry of the coastal regions of northern Europe, dating from about 9000 to 3500 BC. The Ertebolle industry, named after Ertebolle, Den., where it was first recognized, is classed as a Mesolithic (Middle Stone Age) industry because its people ...
genus of extinct primitive amphibians found as fossils in Permian rocks in North America (the Permian period occurred from 286 to 245 million years ago). Eryops was a massive animal more than 2 m (6 feet) long. Its large skull ...
contagious infection of the skin and underlying tissue, caused by group A B-hemolytic streptococcus bacteria. Erysipelas causes affected areas of skin to turn bright red and become slightly swollen. The swollen blotches have a distinct border and slowly expand into ...
any of several infectious diseases caused by the widespread bacterium Erysipelothrix rhusiopathiae, found in water, soil, and decaying matter. Among the distinct diseases it causes are swine erysipelas (including diamond-skin disease), nonsuppurative arthritis in lambs and calves, post-dipping lameness in ...
any abnormal redness of the skin. Erythema is caused by dilation and irritation of the superficial capillaries; the augmented flow of blood through them imparts a reddish hue to the skin. Erythema may arise from a great variety of causes ...
rare disease in which the blood vessels of the hands and feet go through spasms of expansion (vasodilatation) and constriction associated with burning pain, increased skin temperature, and redness.
ancient Ionic city on the Mimas (now Kara Burun) peninsula in western Turkey. The original site of traditionally Cretan and later Ionian settlement is uncertain, but from the 4th century BC the city was located at modern Ildir, where traces ...
a superficial skin infection marked by reddish brown scaly patches and attributed to the bacterium Corynebacterium minutissimum. The lesions are generally seen on the inner sides of the thighs, in the scrotum, in the toe webs, and in the armpits. ...
arsenate mineral in the vivianite group, hydrated cobalt arsenate [Co3(AsO4)2·8H2O]. Erythrite, which is used as a guide to the presence of cobalt-nickel-silver ores because of its crimson or peach-red colour, occurs as radiating crystals, concretions, or earthy masses in the ...
a type of anemia in which the red blood cells (erythrocytes) of a fetus are destroyed in a maternal immune reaction resulting from a blood group incompatibility between the fetus and its mother. This incompatibility arises when the fetus inherits ...
component of blood, millions of which in the circulation of vertebrates give the blood its characteristic colour and carry oxygen from the lungs to the tissues. The mature human erythrocyte is small, round, and biconcave; it appears dumbbell-shaped in profile. ...