Etching Etching is an intaglio method of printmaking in which the image is incised into the surface of a metal plate using an acid.
	Ethacrynic acid Ethacrynic acid is a loop diuretic medication used to treat hypertension and the edema caused by diseases like congestive heart failure, liver failure, and kidney failure.
	Ethan Allen Ethan Allen was an early American revolutionary and guerrilla warfare leader during the era of the Vermont Republic and the New Hampshire Grants. He fought against the settlement of Vermont by the Province of New York, and then for its independence in the American Revolutionary War.
	Ethane Ethane is a chemical compound with chemical formula C2H6. It is the only two-carbon alkane, that is, an aliphatic hydrocarbon. At standard temperature and pressure, ethane is a colourless, odourless gas. Ethane is isolated on an industrial scale from natural gas, and as a byproduct of oil refinery.
	Ethanol This article is about the chemical compound. For drinks containing ethanol, see alcoholic beverage. For the use of ethanol as a fuel, see ethanol fuel. For its physiological effects, see effects of alcohol on the body.category:anatomical preservation Ethanol, also known as ethyl alcohol or Neutral grain spirit, is a flammable, colorless, mildly toxic chemical compound with a distinctive odor, and is the alcohol found in alcoholic beverages.
	Ethchlorvynol Ethchlorvynol is a sedative and hypnotic medication. It has been used to treat insomnia, but has been largely superseded and is only offered where an intolerance or allergy to other drugs exists. Along with expected sedative effects of relaxation and drowsiness ethchlorvynol can cause skin rashes, faintness, restlessness and euphoria.
	Ethel Barrymore Ethel Barrymore was an Academy Awards-winning United States actress and a member of the famous Barrymore family.
	Ethel Waters Ethel Waters was an Academy Awards-nominated United States blues vocalist and actress. She was the second African American to ever be nominated for an Academy Award. Waters frequently performed jazz, big band, gospel, and popular music, on the Broadway theatre stage and in concerts.
	Ethelred the Unready Ethelred the Unready , also known as Ethelred II and elred Unrd, was Kingdom of England .
	Ether Ether is the general name for a class of chemical compounds which contain an ether functional group an oxygen atom connected to two alkyl groups. A typical example is the solvent and anesthetic diethyl ether, commonly referred to simply as "ether", .
	Ethernet Ethernet is a large and diverse family of Data frame-based computer network technologies for local area networks . The name comes from the physical concept of the Luminiferous aether. It defines a number of wiring and signaling standards for the physical layer, two means of network access at the Media Access Control /Data Link Layer, and a common addressing format.
	Ethiopia Ethiopia, officially the Federal Democratic Republic of Ethiopia, is a country situated in the Horn of Africa. It is the 2nd-most populous nation in Africa, bordered by Eritrea to the north, Djibouti to the northeast, Somalia to the east, Kenya to the south, and Sudan to the west.
	Ethosuximide Ethosuximide is a succinimide anticonvulsant, used mainly in absence seizures. It is sold by Pfizer under the name Zarontin® and was once also sold under the name Emeside®, both of which were discontinued from the United Kingdom market in capsule form in November of 2005.
	Ethyl acetate Ethyl acetate is the organic compound with the formula CH3CH2OC(O)CH3. This colorless liquid has a characteristic, not unpleasant smell like certain glues or Nail polish removers, in which it is used. As the ester derived from ethanol and acetic acid, EtOAc, as it is commonly abbreviated, is manufactured on a large scale for use as a solvent.
	Ethylene Ethylene is the simplest alkene hydrocarbon, consisting of four hydrogen atoms and two carbon atoms connected by a double bond. Because it contains a double bond, ethylene is called an unsaturated hydrocarbon or an olefin. The molecule cannot twist around the double bond at room temperature, and all six atoms lie in the same plane.
	Ethylene glycol n>Properties This chemical reaction can be catalyst by either acids or Bases, or can occur at neutral pH under elevated temperatures. The highest yields of ethylene glycol occur at acidic or neutral pH with a large excess of water.
	Etiolation Etiolation is a plant response to stimuli. When plant seeds are grown in insufficient light, either in partial or complete absence of light, the seedlings will have long, weak steams, smaller and fewer leaves, and a pale yellow color. This is due to a lack of chlorophyll. The plant's increase in height helps it to reach a possible source of light faster.
	Etiquette Etiquette, also known as decorum, is the code that governs the expectations of social behavior, the Convention Norm . It is an unwritten code, but it may evolve from or into a written code. The ancient Greek equivalent of etiquette was protokollon, protocol , the written formula for ceremonial.
	Etodolac Etodolac is the International Nonproprietary Name of 1,8-diethyl-1,3,4,9-tetrahydropyrano-[3,4-b]indole-1-acetic acid, also sold under the trade name Lodine. It is a non-steroidal anti-inflammatory drug. It is used to treat pain associated with arthritis and other conditions.
	Eton College The King's College of Our Lady of Eton, commonly known as Eton College or just Eton, is an internationally renowned Public School#England and Wales for male students, founded in 1440 by Henry VI. It is one of the most famous schools in the world . It is located in Eton, Berkshire , near Windsor, Berkshire in England, situated about a mile north of Windsor Castle.
	Etruria Etruria — usually referred to in Greek and Latin source texts as Tyrrhenia — was a region of Central Italy, an area that covered part of what now are Tuscany, Latium and Umbria. The inhabitants of Etruria are labelled Etruscan civilizations and their complex culture was centered on numerous city-states that rose during the Villanovan period in the ninth century BC and were very powerful during the Orientalizing and Archaic periods.
	Eucalyptus Eucalyptus is a diverse genus of trees , the members of which dominate the tree flora of Australia. There are more than 700 species of Eucalyptus, mostly native to Australia, with a very small number found in adjacent parts of New Guinea and Indonesia and one as far north as the Philippines.
	Eucalyptus globulus The Tasmanian Blue Gum or Blue Gum Eucalyptus, is a Perennial plant tree, one of the most widely cultivated trees native to Australia. They typically grow from 30-55 m tall. The natural distribution of the species includes Tasmania and southern Victoria.
	Eucalyptus regnans Eucalyptus regnans is a species of Eucalyptus native to southeastern Australia, in Tasmania and Victoria. It is an evergreen tree growing to 70-90 m or more, with a straight, grey trunk, smooth-barked except for the rough basal 5-15 metres. The leaf are falcate to lanceolate, 9-14 cm long and 1.5-2.5 cm broad, with a long acuminate apex and smooth margin, green to grey-green with a reddish petiole.
	Eucharist The Eucharist or Communion or The Lord's Supper, is the rite that Christianity perform in fulfillment of Jesus' instruction, recorded in the New Testament, to do in memory of him what he did at his Last Supper. Jesus gave his disciples bread, saying "This is my body," and wine, saying "This is my blood." Christians generally recognize a special presence of Christ in this rite, though they differ about exactly how, where, and when Christ is present.
	Euchre Euchre is a trick-taking game most commonly played with four people in two partnerships with a deck of 24 standard playing cards. It is closely related to the French game cart. Regions of the United Kingdom, Canada and Australia have large followings of the game.
	Euclid Euclid , a Greece mathematician, who lived in Alexandria, Hellenistic Egypt, almost certainly during the reign of Ptolemy I , is often considered to be the "father of geometry". His most popular work, Euclid's Elements, is thought to be one of the most successful textbooks in the history of mathematics.
	Euclidean geometry Euclidean geometry is a mathematical system attributed to the Greeks mathematician Euclid of Alexandria. Euclid's text Euclid's Elements was the first systematic discussion of geometry. It has been one of the most influential books in history, as much for its method as for its mathematical content.
	Eudora Welty Category:Articles to be expanded Eudora Welty was an award-winning author and photographer who lived in, and wrote about, the Southern United States. She was born in Jackson, Mississippi and lived a significant portion of her life in the city's Belhaven neighborhood, where her home has been preserved.
	Eudyptes The genus Eudyptes contains seven living species of penguins collectively known as "The Crested Penguins".
	Eugène Delacroix Ferdinand Victor Eugne Delacroix was the most important of the French Romanticism painters. Delacroix' use of expressive brushstrokes and his study of the optical effects of color profoundly shaped the work of the Impressionists, while his passion for the exotic inspired the artists of the Symbolism movement.
	Eugène Ionesco Eugne Ionesco, born Eugen Ionescu, was one of the foremost playwrights of the Theatre of the Absurd. Beyond ridiculing the most banal situations, Ionesco's plays depict in a tangible way the solitude of humans and the insignificance of one's existence.
	Eugene O'Neill Eugene Gladstone O'Neill was a Nobel Prize in Literature and Pulitzer Prize winning United States playwright. More than any other dramatist, O'Neill introduced the dramatic realism pioneered by Anton Chekhov, Henrik Ibsen, and August Strindberg into American drama.
	Eugene Ormandy Eugene Ormandy was an eminent conducting and violinist. Born in Budapest, he studied at the conservatoire there. In 1921 he moved to the United States, where he worked first as a violinist and later conductor of the Capitol Theater Orchestra in New York City, a group which accompanied silent movies.
	Eugène Sue Joseph Marie Eugne Sue, France novelist, was born in Paris. He was the son of a distinguished surgeon in Napoleon's army, and is said to have had the Josphine de Beauharnais for godmother. Sue himself acted as surgeon both in the Spanish campaign undertaken by France in 1823 and at the Battle of Navarino.
	Eugene V. Debs Eugene Victor Debs was an United States labor and political leader, one of the founders of the international labor union the Industrial Workers of the World and five-time Socialist Party of America candidate for President of the United States.
	Eugenia Eugenia is a genus of flowering plants, belonging to the myrtle family Myrtaceae. It has a worldwide, although highly uneven, distribution in tropical and subtropical regions. The bulk of the approximately 1,000 species occur in the New World tropics, especially in the northern Andes, the Caribbean, and the Atlantic Forest of eastern Brazil.
	Eugenics Eugenics is a social theory advocating the improvement of human hereditary traits through various forms of intervention. The purported goals have variously been to create healthier, more intelligence people, save society's economics, and lessen human suffering.
	Euglenid The euglenids are one of the best-known groups of flagellates, commonly found in freshwater especially when it is rich in organic materials, with a few marine and endosymbiotic members. Many euglenids have chloroplasts and produce energy through photosynthesis, but others feed by phagocytosis or strictly by osmosis.
	Eukaryote |- | style = "background: pink; padding: 4px;" | Animalia - Animals |- | style = "background: lightblue; padding: 4px;" | Fungus |- | style = "background: lightgreen; padding: 4px;" | Plantae - Plants |- | style = "background: khaki; padding: 4px;" | Protista A eukaryote is an organism with a complex cell or Cell s, in which the genetic material is organized into a Cell membrane-bound Cell nucleus or Cell nucleus.
	Eumeces The genus of Eumeces-skinks is due to Arend Friedrich August Wiegmann, 1834. They are secretive, agile lizards with a cylindrical body covered with smooth, shiny scales. The genus sometimes goes by the common name of "New World Skinks" or "Great Skinks", but both these common names are actually misnomers: skinks of the genus Eumeces occur also in Asia, and they're not particularly big either: while the largest skinks of this genus, the Great Plains Skink, can reach a length of some 34 centimetre
	Eunuch A eunuch can be either a castrated man or, in ancient terms, any man who is impotent with women for a wide variety of reasons. The earliest records for intentional castration to produce eunuchs are from the Sumer city of Lagash in the 21st century BC. Over the millennia since, they have performed a wide variety of functions in many different cultures such as courtiers or equivalent domestics, treble singers, religious specialists, government officials, military commanders, and guardians of women or harem servants.
	Euonymus The spindles, genus Euonymus, comprise about 170-180 species of deciduous and evergreen shrubs and small trees. They have a wide distribution in Europe, Asia, Australasia, North America and Madagascar. The leaves are opposite and simple ovoid, typically 2-15 cm long, and usually with a finely serrated margin.
	Eupatorium Eupatorium is a genus of flowering plants, depending on the classification system containing from 36 to 60 species, most of which are herbaceous perennial plants growing to 0.5-3 m tall, but a few are shrubs. The genus is native to temperate regions of the Northern Hemisphere.
	Eupatorium capillifolium Eupatorium capillifolium is a perennial weed in the family Asteraceae, found commonly in North America. It is generally between 50 cm and 2 meters tall and has several stems which fork out from a substantial base . The stems and base are covered in extremely dissected leaves, which are so dissected that they resemble green hairs coming out of the stem in fractal patterns.
	Euphagus Euphagus is a small genus of icterid. It contains two North American species, the Brewer's Blackbird, Euphagus cyanocephalus, and the Rusty Blackbird E. carolinus. Both species are bird migration, wintering in the southern United States and Mexico, although some Brewer's Blackbird sare present all year in the western USA.
	Euphonium he euphonium is a Bore_, tenor-voiced brass instrument. It derives its name from the Greek language word euphonion, meaning "beautiful-sounding" or "sweet-voiced" . The euphonium is a valved instrument, and nearly all models are piston valve, though rotary valve models do exist.
	Euphorbia heterophylla The Fireplant, Euphorbia heterophylla, is a native plant of Mexico, and spreads from California to east Texas and to much of Central America. The plant is said to have a nice flavor but is very spicy.
	Euphorbia lathyris Euphorbia lathyris (Caper Spurge or Paper Spurge) is a species of Euphorbia native to southern Europe (France, Italy, Greece, and possibly southern England), northwest Africa, and eastward through southwest Asia to western China. Other names occasionally used include Gopher Spurge, Gopher Plant or Mole Plant.
	Euphorbiaceae The Spurge family is a large family of flowering plants with 240 genera and around 6,000 species. Most are herbs, but some, especially in the tropics, are also shrubs or trees. Some are succulent and resemble cactus. This family occurs mainly in the tropics, with the majority of the species in the Indomalaya region and tropical Americas a good second.
	Euphrates The Euphrates is the westernmost of the two great rivers that define Mesopotamia . God's promise to Abraham, Isaac, and Jacob of the land of Israel extends to this river.
	Eurasia Eurasia is the landmass composed of Europe and Asia. Mostly in the Eastern Hemisphere and Northern Hemisphere, Eurasia can be considered a supercontinent, part of a supercontinent of Africa-Eurasia, or simply a continent. In plate tectonics, the Eurasian Plate includes Europe and most of Asia, but not the Indian subcontinent, the Arabian subcontinent, and the area east of the Cherskiy Range in Sakha.
	Eurasian Badger The Eurasian or European badger, Meles meles, is a mammal indigenous to most of Europe and to many parts of Asia, from about 15 to 65 North, and from about 10 West to 135 East. It is particularly abundant in Britain and Ireland. It is a member of the Mustelidae family, and so is related to the stoats, otters, weasels, minks and other badgers.
	Eurasian Woodcock The Eurasian Woodcock, Scolopax rusticola is a medium-small wader. This species is the woodcock found through most of temperate and subarctic Eurasia. Northern and Asian populations bird migration to southern Europe or south Asia respectively. Birds in milder western European countries are resident.
	Euripides Euripides was the last of the three great tragedy of classical Athens . Ancient scholars thought that Euripides had written ninety-two plays, four of which were probably actually written by Critias; eighteen of them have survived complete. It is now widely believed that what was thought to be a nineteenth, Rhesus , was probably not by Euripides.
	Euro The euro is the official currency of the European Union member states of Austria, Belgium, Finland, France, Germany, Greece, Republic of Ireland, Italy, Luxembourg, the Netherlands, Portugal and Spain, also known as the Eurozone.
	Eurocentrism Eurocentrism is the practice, conscious or otherwise, of placing emphasis on European concerns, culture and values at the expense of those of other cultures. It is not to be confused with Europatriotism. Eurocentrism is an instance of ethnocentrism, perhaps especially relevant because of its alignment with current and past real power structures in the world.
	Europe Europe is one of the seven traditional continents of the Earth. The term continent here refers to a human geography distinction rather than a physical geography one, leading to various perspectives about Europe's precise borders. Physically and geology, Europe is a subcontinent or large peninsula, the westernmost part of Eurasia.
	European Ash The European Ash is a tall tree, native to most of Europe, with the exception of northern Scandinavia and southern Mediterranean Europe. It is a deciduous tree 20-35 m tall, and is readily distinguished from other species of ash tree in that it has black buds, unlike the brown buds of most other ashes.
	European Beech The European Beech or Common Beech is a deciduous tree belonging to the beech family Fagaceae. The natural range extends from southern Sweden to central Italy, west to France and northern Portugal, and east to northwest Turkey, where it intergrades with the Oriental Beech, which replaces it further east.
	European Central Bank The European Central Bank is one of the world's largest central banks, being in charge of monetary policy for the European Union's official currency, the euro, which is used by over 300 million Europeans in 12 European Union countries. The ECB was established on June 1, 1998.
	European Community The European Community , most important of three European Communities, was originally founded on March 25, 1957 by the signing of the Treaty of Rome under the name of European Economic Community. The 'Economic' was removed from its name by the Maastricht treaty in 1992, which at the same time effectively made the European Community the first of three pillars of the European Union of the European Union, called the Community Pillar.
	European Hare The European Hare or Brown Hare is a species of hare native to northern, central, and western Europe and western Asia. It is a mammal adapted to temperate open country. It is related to the similarly appearing rabbit, which is in the same family but a different genus. It breeds on the ground rather than in a burrow and relies on speed to escape.
	European honeysuckle European Honeysuckle is a deciduous climber that grows up to 10 m high. It is native to much of Europe, growing as far north as southern Norway and Sweden. It is often found in woodland or in hedgerows or scrubland. The flowers are creamy white or yellowish, trumpet shaped and very sweet smelling.
	European Hornbeam The European Hornbeam or Common Hornbeam is a hornbeam native to western, central and southern Europe, extending eastward as far as western Russia and the Ukraine. It requires a warm climate for good growth, and occurs only at elevations up to 600 metres. It grows in mixed stands with oak, and in some areas beech, and is also a common tree in scree forests.
	European Larch European Larch is a species of larch native to the mountains of central Europe, in the Alps and Carpathians, with a disjunct lowland population in northern Poland. It is a medium-size to large deciduous Pinophyta tree reaching 25-45 m tall, with a trunk up to 1 m diameter.
	European lobster The European lobster is a large European clawed lobster. It is difficult to distinguish from the American lobster — the best distinction is the geographical location, with the European lobster in the eastern Atlantic Ocean and the American lobster in the western Atlantic.
	European Magpie The European Magpie is a resident breeding bird throughout Europe, much of Asia, and northwest Africa. It is one of several birds in the Corvidae named as magpies, and belongs to the Holarctic radiation of "monochrome" magpies
	European Nightjar The European Nightjar, or just Nightjar, Caprimulgus europaeus, is the only representative of the nightjar family of birds in most of Europe and temperate Asia. It is a late bird migration, seldom appearing before the end of April or beginning of May. It occurs throughout northern and central Europe, and winters in Africa, as far south as the Cape.
	European perch The European perch is a species of perch found in Europe and Asia. In some areas it is known as the redfin perch or English perch, and it is often referred to by the shortform perch. The species is very popular and has been widely introduced beyond its native area, into Australia, New Zealand, and South Africa.