Elimination reaction An elimination reaction is a type of organic reaction in which two substituents are removed from a molecule in either a one or two-step mechanism. Either the saturated compound of the molecule increases or the valence of an atom in the molecule decreases by two, a process known as reductive elimination.
	Eliminator Eliminator is the eighth studio album by United States blues-rock band ZZ Top, released in 1983. It was arguably the band's most successful album.
	ELISA The Enzyme-Linked ImmunoSorbent Assay is a biochemistry technique used mainly in immunology to detect the presence of an antibody or an antigen in a sample. It uses two antibodies, one of which is Specificity to the antigen and the other of which is coupled to an enzyme.
	Elisa Elisa Toffoli, or Elisa is an Italian singer. She sings in several musical genres that go from rock, to the blues, soul and ambient. She recently had a duet with Tina Turner with the song "Teach Me Again" for the film All the Invisible Children which went straight to #1 in Italy.
	Elite Elite is taken from the latin, eligere, "to elect". In sociology as in general usage, the lite is a relatively small dominant Group within a larger society, which enjoys a privileged status which is upheld by individuals of lower social status within the structure of a group.
	Elizabeth Barrett Browning Elizabeth Barrett Browning was a member of the Barrett family and one of the most respected poets of the Victorian era.
	Elizabeth Cady Stanton Elizabeth Cady Stanton was a social activist, and a leading figure of the early women's rights movement in the United States. Along with her husband, Henry Stanton and cousin, Gerrit Smith, Elizabeth Cady Stanton was an active abolitionist before she settled on women's issues as her primary focus.
	Elizabeth Gaskell Elizabeth Gaskell , often referred to simply as Mrs. Gaskell, was a British novelist and short story writer. She is today ranked among the most highly regarded British novelists of the Victorian era.
	Elizabeth Taylor Dame Elizabeth Rosamund Taylor, Order of the British Empire is an iconic two-time Academy Awards-winning American actor. She was long considered one of the most beautiful women in the world and, arguably, the most beautiful actress of all time. Her trademark is her dazzling violet-blue eyes framed by a double row of eyelashes.
	Elk Elk is a town in northeastern Poland with 55,846 inhabitants. It was assigned to Warmian-Masurian Voivodeship in 1999 after previously belonging to Suwalki Voivodeship. The city was built in Prussia on a shore of Lyck river and Lyck-See, which was formed by a glacier. Surrounded by forests, the area now belongs to one of the tourist regions of Poland.
	Ella Fitzgerald Ella Jane Fitzgerald , also known as Jazz Royalty , was considered one of the most influential jazz vocalists of the 20th century . With a vocal range spanning three octaves, she was noted for her purity of tone, near faultless phrasing and intonation, and a "horn-like" improvisational ability, particularly in her scat singing.
	Ellipse The search term "Elliptical" redirects to this page; for the exercise machine, see Elliptical trainer. In mathematics, an ellipse is the locus of points on a plane where the sum of the distances from any point on the curve to two fixed points is constant. The two fixed points are called foci .
	Ellipsoid In mathematics, an ellipsoid is a type of quadric that is a higher dimensional analogue of an ellipse. The equation of a standard ellipsoid in an x-y-z Cartesian coordinate system is where a, b and c are fixed negative and non-negative numbers real numbers determining the shape of the ellipsoid.
	Ellis Island Ellis Island, at the mouth of the Hudson River in New York Harbor, was at one time the main immigration port for immigrants entering the United States in the late 19th and early 20th centuries. Ellis Island is within the boundaries of Jersey City, New Jersey, but is within both the states of New Jersey and New York.
	Elm Elms are deciduous and semi-deciduous trees comprising the genus Ulmus, family Ulmaceae, native to temperate regions of the Northern Hemisphere. They have alternate, simple, single- or doubly-serrate leaves, usually with asymmetric bases, often rough with fine bristles.
	Elmer Rice Elmer Rice was an early 20th century United States playwright. He was married to actress Betty Field.
	Elodea Elodea is a genus of aquatic plants often called the Water weeds. Elodea is native to North America and it is also widely used as aquarium vegetation. The introduction of some species of Elodea into waterways in parts of Europe, the Australia, Africa, Asia, and New Zealand has created a significant problem, and it is now considered a noxious weed in these areas.
	Elongation Elongation is an astronomical term that refers to the angle between the Sun and a planet, as viewed from Earth. When an inferior planet is visible after sunset, it is near its greatest eastern elongation. When an inferior planet is visible before sunrise, it is near its greatest western elongation.
	Elopidae Elopidae is a family of ray-finned fish containing the single genus Elops. The ladyfish are a coastal dwelling fish found throughout the tropical and sub-tropical regions, spawning takes place at sea and the fish larvae migrate inland entering brackish waters.
	Elops saurus The Ladyfish or Ten-Pounder, Elops saurus, is a tropical species of ray-finned fish. It is slender and silver in appearance. It is a predatory fish with sharp teeth. It is found in coastal regions of the tropical west Atlantic.
	Elsa Schiaparelli Elsa Schiaparelli was the leading Parisian fashion designer of the 1920s and 30s after Coco Chanel. She was born in Rome, Italy of Italian and Egyptian heritage. She was a great-niece of Giovanni Schiaparelli, who discovered the canals of Mars. Schiaparelli opened her first salon, "stupidir le Sport," in 1927, and as the name indicates specialized in clothing.
	Elvis Presley Elvis Presley (born Elvis Aaron Presley in 1935) was an American musician and actor. In his 23 year career in show business, he amassed an impressive number of achievements. He produced several #1 hit songs, starred in over 20 films, and is the best selling musician in history with over one billion record units sold worldwide. He is also considered the first rock and roll star to achieve popularity among mainstream audiences.
	Elysium In Greek mythology, Elysium was a section of the Greek Underworld . Elysium is an obscure and mysterious name that evolved from a designation of a place or person Thunderbolt, enelysion, enelysios. Alternately, scholars have also suggested that Greek Elysion may instead derive from the Egyptian term ialu , meaning "reeds," with specific reference to the "Reed fields" , a paradisiacal land of plenty where the dead hoped to spend eternity.
	Elytron An elytron is a modified, hardened forewing of certain insect orders, notably beetles and true bugs. The elytra primarily serve as protection for the hindwings underneath, which are used for flying. In some groups, the elytra are fused together, rendering the insect flightless: for example, the ground beetles.
	Emaciation Emaciation Pronunciation:, [key] n. occurs when a person or animal loses substantial fat tissue, making that person/animal look extremely skinny. The cause of emaciation is always starvation, which is a lack of nutrients. The shape of the bones in a severely-emaciated person is distinguishable, and the ribs and spine can be clearly seen, while the arms and legs are not significantly wider than the bones that support them.
	Emancipation Emancipation refers to becoming free or equal, and can be used in a variety of contexts: In politics: * political emancipation or achieving Freedom * Feminism, including the women's suffrage * Catholic emancipation, the increase of Roman Catholics' civil rights in Britain and Ireland
	Emanuel Swedenborg Emanuel Swedenborg was a Sweden scientist, philosopher, seer, and theologian. Swedenborg had a prolific career as an inventor and scientist. Then at age fifty-six he entered into a spiritual phase of his life, where he experienced visions of the spiritual world and claimed to have talked with angels, devils, and spirits by visiting heaven and hell.
	Emberizidae The Emberizidae are a large family of passerine birds. They are seed-eating birds with a distinctively shaped bill. In Europe, most species are named as Bunting. The Emberizidae family probably originated in South America and spread first into North America before crossing into eastern Asia and continuing to move west.
	Embiotocidae The surfperches are a family, Embiotocidae, of perciform fishes. They are found in coastal waters of the northern Pacific and grow up to 45 cm long. They are viviparous fishes, in which the embryo is nourished directly by the mother as well as the yolk. This gives the family its scientific name, from Greek language embios meaning "persistent" and tokos meaning "birth".
	Embothrium Embothrium is a genus of two to eight species in the plant family Proteaceae, native to southern South America, in Chile and adjacent western Argentina and southern Peru; the genus occurs as far south as Tierra del Fuego. Common names include Chilean Firebush in English, and Notro, Ciruelillo, Fosforito in Chilean Spanish.
	Embrasure The term embrasure, in architecture, refers to the opening in a crenellation or battlement between the two raised solid portions or merlons, sometimes called a crenelle; also to the splay of a window. The purpose of embrasures is to allow weapons to be fired out from the fortification while the firer remains under cover.
	Embroidery Embroidery is the art or handicraft of decorating Textile or other materials with designs Embroidery stitched in strands of yarn using a needle. Embroidery may also incorporate other materials such as metal strips, pearls, beads, quills, and sequins.
	Embryo An embryo is a multicellular diploid eukaryote in its earliest stage of developmental biology.
	Emerald Emerald is a variety of the mineral beryl, colored green by trace amounts of chromium and sometimes iron. It is highly prized as a gemstone and by weight is the most valuable gemstone in the world, although it is often made less so by inclusion , which all emeralds have to some degree.
	Emerald shiner The emerald shiner is one of hundreds of small, silvery, slender fish known as shiner. The identifying characteristic of the emerald shiner is the silvery emerald color on its sides. It can grow to 3.5 inches in length and is found across North America from Canada to the Gulf of Mexico, commonly in large, deep lakes and rivers, though sometimes in smaller bodies of water as well.
	Emergence Emergence is the process of complex pattern formation from more basic constituent parts or behaviors. This can be a dynamic process , such as the evolution of the human body over thousands of successive generations; or emergence can happen over disparate size scales, such as the interactions between a great number of neurons producing a human brain capable of thought .
	Emergency Alert System The Emergency Alert System, is a national system in the United States put into place in 1994, superseding the Emergency Broadcast System and is jointly administered by the Federal Communications Commission, FEMA, and the National Weather Service. The official EAS system is designed to enable the President of the United States to speak to the United States within 10 minutes.
	Emergency brake An emergency brake is a separate brake system in a vehicle for use in case of failure of the regular brakes and commonly used as a parking brake in automobiles. Also called hand brake, many people shorten emergency and call the devices e-brakes. In trains, control of emergency brakes is made available to the traveling passengers.
	Emergency exit An emergency exit in a structure is a special exit for emergencies such as a fire: the combined use of regular and special exits allows for faster evacuation, while it also provides an alternative if the route to the regular exit is blocked by fire, etc. It is usually a strategically located outward opening door with a crash bar on it and with exit sign leading to it.
	Emergency landing An emergency landing is a non-planned landing made by an aircraft in response to a crisis. There are two general types of emergency landing for powered aircraft: # a forced landing, where the aircraft is gliding and no power is available to attempt a second approach and landing; and
	Emigration Emigration is the act and the phenomenon of leaving one's native country to Settler abroad. It is the same as immigration but from the perspective of the country of origin. Human movement before the establishment of state boundaries or within one state, is termed human migration.
	Émile Durkheim mile Durkheim was a France sociologist, considered by many to be the father of modern sociology, contributing to its acceptation by french academics as a "science sociale" . During his lifetime, Durkheim gave many lectures, and published numerous sociological studies on subjects such as religion, suicide, and many other aspects of society.
	Émile Zola mile Zola was an influential France novelist, the most important example of the literary school of naturalism , and a major figure in the political liberalization of France.
	Emilia-Romagna Emilia-Romagna is an administrative Regions of Italy of Northern Italy comprising the two historic regions of Emilia and Romagna. It forms a rough triangle, bounded on the East by the Adriatic Sea, on the North by the Po river and on the South by the Apennine Mountains; these two linear features, with the Via Emilia, and the A1 highway and the railway that run close and parallel to it, give an unusually regular structure to the whole region except for the easternmost par
	Emiliano Zapata Emiliano Zapata Salazar was a leading figure in the Mexican Revolution against the dictatorship of Porfirio Daz that broke out in 1910. He is considered to be one of the outstanding national heroes of Mexico; the Zapatistas, a current revolutionary movement based in the state of Chiapas, take their name from him.
	Emily Brontë Emily Jane Bront was a United Kingdom novelist and poet, best remembered for her only novel Wuthering Heights, a classic of English literature.
	Emily Dickinson Emily Elizabeth Dickinson was an United States poet. Though virtually unknown in her lifetime, Dickinson has come to be regarded, along with Walt Whitman, as one of the two quintessential American poets of the 19th century. In fact, it is commonly conjectured that Contemporary North American Poetry extends outward along two principal currents, that which flows from Whitman and that which flows from Dickinson.
	Emir Emir is a high Nobility or office, historically used in Islam nations of the Middle East, North Africa, Asia Minor, and the Turkic peoples world, among others. While emir is the predominant spelling in English and many other languages, amir, closer to the original Arabic, is more common for its numerous compounds and in individual names.
	Emission spectrum A material's emission spectrum is the amount of electromagnetic radiation of each frequency it light emission when it is heated. When the electrons in the Chemical element are excited, they jump to higher energy levels. As the electrons fall back down, and leave the excited state, energy is re-emitted, the wavelength of which refers to the discrete lines of the emission spectrum.
	Emma Goldman Emma Goldman aka 'Red Emma', was a Kaunas, Lithuania-born anarchist known for her Anarchism writings and speeches. Adopted by First-wave feminism, she has been lionized as an iconic "rebel woman" feminist by admirers, derided as an advocate of politically-motivated murder and violent revolution by her critics.
	Emmer Emmer wheat, also known as farro especially in Italy, is a low yielding, awned wheat. It was one of the Neolithic founder crops in the Near East. It was widely cultivated in the ancient world, but is now a relict crop in mountainous regions of Europe and Asia.
	Emmy Noether Amalie Nther was a talented Germany-born mathematician of the early 20th century, with penetrating insights that she used to develop elegant abstractions which she formalized and published. She is almost universally known as Emmy Noether.
	Emoticon An emoticon, also called a smiley, is a sequence of ordinary printable characters, such as :-), xD ;o), t, ^_^, :-. The colon represents the eyes, the hyphen is for the nose, and the parenthesis is for the mouth.
	Emotion Emotion, in its most general definition, is a neurology impulse that moves an organism to action . Emotion is differentiated from feeling.
	Emotionalism Emotionalism means "an inclination to rely on or place too much value on emotion." It could be argued that very few, if any, thinkers would call themselves "emotionalists", but rather that it would be a derogatory term applied to them, possibly for exhibiting a wiktionary:zeal demeanor, which may be interpreted as an appeal to emotion.
	Empedocles Empedocles was a Hellenic civilization presocratic philosopher and a citizen of Agrigentum, a Greek colony in Sicily. Empedocles' philosophy is best known for being the origin of the cosmogenesis theory of the four classical elements. Little of the verse that Empedocles wrote survives today, and, as with many of the presocratics, much of what is known about his philosophy comes from commentary upon it by later thinkers.
	Emperor An emperor is a monarch, usually the monarch ruler of an empire or another type of imperial realm. Empress is the feminine form. As a title, "empress" may indicate the wife of an emperor or a woman who is a ruling monarch . Emperors are generally recognized to be above monarchs in honor and Royal and noble ranks.
	Emperor Moth The Emperor Moth (Pavonia pavonia) is a moth of the family Saturniidae. It is sometimes placed in the genus Saturnia. It occurs throughout the Palearctic region and is the only member of its family found in the British Isles. The male has a wingspan of about 60 mm with brown and white forewings marked with red and orange fascia and a bold black and orange eye-spot.
	Emperor Penguin The Emperor Penguin, at between 1.27 and 1.6 metres tall and 34 kilograms in mass, is the tallest and heaviest of all living penguin species. It is the only penguin that breeds during the winter in Antarctica. Emperor Penguins eat mainly crustaceans but also occasionally indulge in small fish and squid.
	Emphysema Emphysema is a chronic disease lung disease. It is often caused by exposure to toxin chemicals or long-term exposure to tobacco smoking.
	Empire What exactly constitutes an Empire is a topic of intense debate within the scholarly community. Generally, an empire is defined as a state that extends dominion over areas and populations that are culture and Ethnic group distinct from the culture at the center of power.
	Empires Empires is currently a Half-Life 2 modification that saw its first public release for the HL2 source engine on July 1, 2006. is an anachronically futuristic First-person shooter mod based around resource gathering, vehicular combat and sabotage. Empires' gameplay is split into two distinct forms, that of the commander and that of the soldier.
	Empiricism Category:Philosophy In philosophy generally, empiricism is a epistemology emphasizing the role of experience. Experience may be understood to include all contents of consciousness or it may be restricted to the data of the senses only. In the philosophy of science, empiricism is a theory of knowledge which emphasizes those aspects of scientific knowledge that are closely related to experience, especially as formed through deliberate experimental arrangements.
	Employment Employment is a contract between two parties, one being the #Employer and the other being the #Employee. In a commercial setting, the employer conceives of a productive activity, generally with the intention of creating profits, and the employee contributes Labour to the business, usually in return for payment of wages.
	Empyrean Empyrean, from the Medieval Latin empyreus, an adaptation of the Ancient Greek, in or on the fire, properly Empyrean Heaven the place in the heavenly sphere, which in ancient cosmology was supposed to be occupied by the element of fire.
	Ems The Ems is a river in northwestern Germany and northeastern Netherlands. It runs through the States of Germany of North Rhine-Westphalia and Lower Saxony. Its total length is 371 km.
	Emu The Emu, Dromaius novaehollandiae, is the largest bird native to Australia and the only extant member of the genus Dromaius. It is also the second-largest bird in the world by height, after its ratite relative, the ostrich. The soft-feathered, brown, flightless birds reach up to 2 m in height.
	Emulator A software emulator allows computer programs to run on a platform other than the one for which they were originally written. Unlike simulation, which only attempts to reproduce a program's behavior, emulation attempts to model to various degrees the state of the device being emulated.
	Emulsion An emulsion is a mixture of two immiscible substances. One substance is dispersion in the other . Examples of emulsions include butter and margarine, espresso, mayonnaise, the photo-sensitive side of Photographic film, and cutting fluid for metalworking.
	Emydidae Emydidae is a family of box and water turtles, including the common Painted Turtle and the European Pond Turtle.