Topic Index:    
A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

 
Lightning
Lightning is a powerful natural electrostatic discharge produced during a thunderstorm. This abrupt electric discharge is accompanied by the emission of visible light and other forms of electromagnetic radiation. The electric current passing through the discharge channels rapidly heats and expands the air into Plasma producing acoustic shock waves in the atmosphere.


Lightning rod
A lightning rod is a metal strip or rod, usually of copper or similar conductor material, used as part of Lightning#Lightning_safety to protect tall or isolated structures from lightning damage. Its formal name is lightning finial or air terminal.


Lignin
Lignin is a chemical compound that is most commonly derived from wood and is an integral part of the cell walls of plants, especially in tracheids, xylem fibres and sclereids. It is one of most abundant organic compounds on earth after cellulose and chitin.


Ligule
A ligule can be observed in the leaf of a Gramineae. It is a thin outgrowth at the junction of leaf and leafstalk. The ligule is found at the inner base of the leaf between where the leaf attaches to the main stem and the stem itself. It may take several forms but is commonly some form of translucent membrane or a fringe of hairs.


Liguria
Liguria is a coastal Regions of Italy of north-western Italy, the third smallest of the Italian regions. It borders France to the west, Piedmont to the north, and Emilia-Romagna and Tuscany to the east. It lies on the Ligurian Sea, a part of the Tyrrhenian Sea.


Ligurian Sea
The Ligurian Sea is an arm of the Mediterranean Sea, between the Italian Riviera and the islands of Corsica and Elba. The sea borders the countries Italy, France, and Monaco, and the Tyrrhenian Sea and Mediterranean Seas. Genoa is the most prominent city in the area.


Lilac
Lilacs are a genus of about 20 species of flowering plants in the family Oleaceae, native to Europe and Asia. Lilacs range in size from large shrubs to small trees, 2-10 m tall. The leaf are opposite, deciduous, and in most species simple and heart-shaped, but pinnate in a few species.


Liliaceae
The Liliaceae, or the Lily Family, is a family of monocotyledons in the order Liliales. Plants in this family have linear leaves, mostly with parallel veins, and flower parts in threes. Many plants in the Liliaceae are important ornamental plants, widely grown for their attractive flowers.


Liliales
Liliales is botanical name for an order of flowering plants. This order of necessity includes the family Liliaceae but both the family and the order have had a very lively history and circumscription will vary from one taxonomist to another. The best known representative of the order is the lily.


Lilith
Lilith is popularly considered to be a female Mesopotamia night demon believed to harm male children. In Isaiah , Lilith is a kind of night-demon or animal, translated as onokentauros; in the Septuagint, as Lamia ; "witch" by Hieronymus of Cardia; and as Barn Owl in the King James Version of the Bible.


Lilium
The plants of the genus Lilium are the true lily plants, comprising a genus of about 100 species in the lily family, Liliaceae. They are important as showy and large flowered garden plants, and in literature.


Lilium auratum
Lilium auratum is one of the true Lilium, native to Japan. The flower colour is typically white, with gold radial markings, and orange spots. Variations in flower colour and markings are known. The flowers are the largest of any lily species, and the largest plants can be up to 2.5 m high, and carry up to twenty of these.


Lilium canadense
Lilium canadense or the Meadow Lily is a native of eastern North America. The plant grows up to 1.5 meters high. Flowers emerge in June, and are nodding, yellow, orange or red, with spots. The plant has become less common in urban and suburban areas due to heavy browsing by the white-tailed deer


Lilium lancifolium
Lilium lancifolium is a species of Lilium native to eastern Asia, in China, Korea and Japan. It is one of several species of lily to which the common name Tiger lily is applied, and the species most widely so known. Like other true lilies, the flowers are borne on an erect stem 80-200 cm tall, clothed with the more or less linear leaf 6-9 cm long and 1-2 cm broad.


Lilium longiflorum
Lilium longiflorum,often called the Easter lily, is a plant native to Japan and the Ryukyu Islands. It is a stem rooting lily, growing up to 1 m high. It bears a number of trumpet shaped, white, fragrant, and outward facing flowers.


Lilium martagon
Lilium martagon is a species of Lilium. It has a widespread native region extending from central Europe east through northern Asia to Mongolia and Korea. Several subspecies have been named. The plant is stem-rooting, growing between 1 m and 2 m tall. The flower colour is typically a pink-purple, with dark spots, but is quite variable, extending from near white to near black.


Lilium michiganense
Lilium michiganense is a flower commonly referred to as the "Michigan Lily". It is a wildflower present in prairie habitats in eastern United States and Canada.


Lille
Lille is the main city of France's fourth largest metropolitan area . It is is located to the country's north, on the Dele River. It is the capital of the Nord-Pas de Calais rgion in France. It is also the prfecture of the Nord dpartement in France.


Lillian Gish
Lillian Diana de Guiche, was an Academy Awards-nominated United States actor, better known as Lillian Gish. The American Film Institute named Gish among the the greatest female stars of all time.


Lillian Russell
Lillian Russell was an United States of America actor and singer. Born Helen Louise Leonard Clinton, Iowa, Lillian Russell became one of the most famous actresses and singers of the late 19th century and early 20th century, known for her beauty and style, as well as for her voice and stage presence.


Lillie Langtry
Lillie Langtry was a United Kingdom actor and courtesan born on the island of Jersey in 1853. Emilie Le Breton was the only daughter of the Dean of Jersey, Rev. William Corbet le Breton, having six brothers. She was educated by a French governess, her brothers' tutor.


Lilongwe
Lilongwe, estimated population 597,619 , is the capital of Malawi. It lies in the country's central region, on the Lilongwe river, near the border of Malawi, Mozambique, and Zambia, and on the main north-south highway of Malawi, M1. Lilongwe is located at .


Lilt
Lilt is a brand of soft drink manufactured by the Coca Cola company and sold in the United Kingdom and Republic of Ireland. Lilt was promoted during the 1980s with the advertising slogan, "the totally tropical taste". In the late 1990s it was heavily promoted in both countries with advertisements featuring two Jamaican women, Blanche Williams and Hazel Palmer, in exaggerated stereotypical situations.


Lily Pons
Lily Pons was a France-born United States coloratura soprano. Born Alice Josephine Pons in Draguignan near Cannes, Pons first studied piano at the Paris Conservatory, winning First Prize at the age of 15. During World War I, she played piano and sang for soldiers in Paris hospitals.


Lima
Lima is the capital and largest city in Peru, as well as the capital of Lima Province. It is the cultural, industrial, financial, and transport hub of the country. The city is located in an area encompassing the valleys of the Chilln River, Rmac River and Lurn River rivers.


Lima bean
The Lima bean or butter bean, Liam and Alec is grown as a vegetable for its mature and immature beans. Also known as Haba bean, Burma bean, Guffin bean, Hibbert bean, Java bean, Sieva bean, Rangood bean, Madagascar bean, Paiga, Paigya, Prolific bean, Civet bean and Sugar bean.


Limber Pine
The Limber Pine is a species of pine tree that occurs in the mountains of the Western United States and Canada, specifically the subalpine areas of the Rocky Mountains from southwest Alberta south to the Mexico border; the Great Basin mountains of Nevada and Utah; and the White Mountains, the east slope of the Sierra Nevada and the San Bernardino Mountains in California with a small disjunct population in the Black Hills of South Dakota


Limbic system
The limbic system includes the structures in the human brain involved in emotion, motivation, and emotional association with memory. The limbic system influences the formation of memory by integrating emotional states with stored memories of physical sensations.


Limbo
According to some Roman Catholics, limbo is the temporary status of the souls of good persons who died before the Resurrection of Jesus , and the permanent status of the baptism who die in infancy, without having committed any personal sins, but without having been freed from original sin .


Limeade
Limeade is a beverage similar to lemonade, but is made with lime juice or lime flavor(s) instead of those of the lemon. A.G. Barr plc, of Glasgow produce a limeade which is somewhat popular in Scotland and Newman's Own introduced its own brand of limeade in 2004.


Limekiln
A lime kiln is a kiln used to produce quicklime by the calcination of limestone. The chemical equation for this chemical reaction is: Although lime kilns were used in the production of lime Mortar in Ancient Egypt and later by the Ancient Greece and Babylonians, the Ancient Rome favored instead to produce their mortars from pozzolanic ash.


Limelight
Limelight is a type of stage lighting once used in theatres and music halls. Although it has long since been replaced by electric lighting, someone in the public eye is still said to be "in the limelight". An intense illumination is created when an oxyhydrogen flame is directed at a cylinder of calcium oxide, which can be raised to black body without melting.


Limenitis
Limenitis is a genus of Nymphalidae commonly called the Admirals. External links


Limerick
Limerick is a city and the county seat of County Limerick in the province of Munster, in the midwest of the Republic of Ireland. The city lies on the River Shannon, with three main crossing points near the city centre. The population of Limerick including the immediate suburbs and environs is which would clearly make it the 3rd biggest city in the Republic of Ireland, while the official population of the city itself according to the City Boundary Laws is 52,560, according to the most recent census of 2006 .


Limes
A limes was a border defense system of Ancient Rome. It marked the boundary of the Roman Empire. The Latin language noun limes had a number of different meanings: a path or balk delimiting fields, a boundary line or marker, any road or path, any channel, such as a stream channel, or any distinction or difference.


Limestone
Limestone is a sedimentary rock composed largely of the mineral calcite . Limestones often contain variable amounts of silica in the form of chert or flint, as well as varying amounts of clay, silt and sand as disseminations, nodules, or layers within the rock.


Limitless
The Limitless is one of the world's largest private superyachts. She was built in 1997 by German shipmaker Lrssen, designed under the direction of Jon Bannenberg. The overall length is 96,25 m, the width 12,50m. She is powered by two engines of 5420 kW each, reaching a speed of 25 knots, and was the first yacht to feature a combination of diesel and diesel-electric propulsion.


Limonene
Limonene is a hydrocarbon, classed as a terpene. It is a clear, colourless liquid at room temperatures with an extremely strong smell of Orange. It takes its name from the lemon, as the rind of the lemon, like other citrus fruits, contains considerable amounts of this chemical compound, which is responsible for much of their smell.


Limonite
Limonite is a hydrated iron oxide-hydroxide of varying composition. The generic formula is frequently written as FeOnH2O, although this is not entirely accurate as limonite often contains a varying amount of oxide compared to hydroxide. Together with hematite, it has been mining as iron ore for the production of iron.


Limousine
A limousine is an unusually long luxury car, traditionally black or white in color. Limousines are usually driving by chauffeurs. While some limousines are owned by wealthy individuals, many are owned by governments to transport senior politicians, by large companies to transport executives, or by broadcasters to transport guests.


Limpet
Limpets are marine mollusk in the family Acmaeidae with flattened, cone-shaped shells. They live throughout the intertidal zone, from the high zone to the shallow subtidal on the rocky coasts of most oceans. Limpets can be commonly found attached to rocks, looking like little disks or bumps on the rock surface.


Limpidity
Limpidity is an internet-based comic strip created by Morton Fox that has been running since August 1996, making it one of the most enduring digital comics in the internet's history. Morton Fox, his girlfriend Flora, Max Rabbit and the kids. At present it has reached over 500 strips and is still going strong with a healthy and loyal fanbase.


Limpkin
The Limpkin, Aramus guarauna, is a bird that looks like a large Rail, but is skeletally closer to the Crane. It is found in marshes with some trees or scrub in the Caribbean, South America and southern Florida, United States. The Limpkin is a largish bird 66 cm long, 100 cm wingspan), drably plumaged brown with a greyer head and neck.


Limpopo
Limpopo is the northernmost Provinces of South Africa of South Africa. The capital is Polokwane. The province was formed from the northern region of the Transvaal province in 1994, and initially named Northern Transvaal. The following year, it was renamed Northern Province, which remained the name until 11 June 2003, when the name of the province was formally Geographical renaming of its most important river, on the border with Zimbabwe, after deliberation by the pro


Limulidae
Limulidae is the only recent family of the order Xiphosurida and contains all the 4 living species known of the class Xiphosura, formerly called Merostomata. The best known species is the horseshoe crab, whose ancestors can first be seen in the Devonian period's fossil record.


Linaceae
The Linaceae is a family of flowering plants, mostly herbaceous or rarely woody plants, sometimes large trees in the tropics. The simple entire leaves are almost always alternate, sometimes with stipules. The hermaphroditic, actinimorphic flowers are pentameric, or very rarely tetrameric.


Linalool
Linalool is a naturally-occurring terpene alcohol chemical with many commercial applications, the majority of which are based on its pleasant scent. It is found in many flowers and spice plants, such as coriander seeds. Its empirical formula is carbon10hydrogen18oxygen.


Linanthus
Linanthus is a genus of annual plant and perennial plants in the phlox family Polemoniaceae. The species are found in western North America and in Chile, with the greatest diversity in California. The stems are erect, with multiple branches arising directly from the base, and grow 2-15 cm tall.


Linaria
Linaria is a genus of about 100 species of herbaceous Annual plant and perennials that was traditionally placed in the foxglove family Scrophulariaceae. Due to new genetic research, it has now been placed in the vastly expanded family Plantaginaceae. The genus is native to temperate regions of Europe, northern Africa and Asia, with the highest species diversity in the Mediterranean region.


Linaria vulgaris
Linaria vulgaris, is a perennial plant with short spreading roots, erect to decumbent stems 3080 cm high, with fine, threadlike, glaucous foliage. The flowers are similar to those of the snapdragon, pale yellow except for the lower lip which is orange, borne on dense terminal racemes from midsummer through autumn.


Lincoln Memorial
The Lincoln Memorial, on the extended axis of the The Mall in Washington, D.C., is a United States Presidential Memorial built for United States President of the United States Abraham Lincoln. The building is in the form of a Greek Doric order temple, and contains a large seated sculpture of Lincoln and inscriptions of two well-known speeches by Lincoln.


Lincolnshire
Lincolnshire is a county in the east of England. It borders Norfolk, Cambridgeshire, Rutland, Leicestershire, Nottinghamshire, South Yorkshire, the East Riding of Yorkshire and Northamptonshire. Its county town is the ancient city of Lincoln, Lincolnshire.


Lindane
Lindane is an insecticide, also known as gamma-hexachlorocyclohexane and benzene hexachloride. It has an LD50 of 88 mg/kg, is suspected of being a carcinogen and is banned in the U.S., the state of California and in 52 countries. There is also a bill in the New York State Assembly and Senate to ban the use of lindane for headlice and limit its use on scabies.


Lindera
Lindera is a genus of about 80-100 species of flowering plants in the family Lauraceae, mostly native to eastern Asia but with three species in eastern North America. The species are shrubs and small trees; common names include Spicebush and Benjamin Bush.


Lindesnes
Lindesnes is a municipalities of Norway in the counties of Norway of Vest-Agder, Norway. It is a coastal municipality, with a long stretch of coastline to the south. It also borders in the north on Audnedal municipality, Lyngdal in the west, and Mandal and Marnardal in the east.


Lindy Hop
Lindy Hop is an African American vernacular dance that evolved in New York City in the late 1920s and early 1930s. It was an organic fusion of many dances that preceded it or were popular during its development, but was predominantly based on jazz dance, tap dance, breakaway and charleston .


Line engraving
Engraving for the purpose of printmaking can be done to create either intaglio or relief prints. Intaglio engravings are made by carving into a plate of a hard substance such as copper, zinc, steel, or plastic, rubbing ink into the carved areas and away from the flat surface, placing moistened paper over the plate and running both through the rollers of an intaglio press.


Line of battle
In naval warfare, line astern or line of battle is a Military tactic in which the ships of the fleet form a line. Its origins are traditionally ascribed to the navy of the Commonwealth of England, especially to General at Sea Robert Blake who wrote the Sailing and Fighting Instructions of 1653.


Line of Control
The Line of Control is a line which demarcates the boundary between the territories controlled by two militaries or political entities.


Line printer
The line printer is a form of high speed impact computer printer in which a line of type is printed at a time. Print speeds of 600 to 1200 lines-per-minute were common. Three principle designs existed: * Drum printers * Chain printers * Comb printers In a typical drum printer design, a fixed font character set is engraved onto the periphery of a number of print wheels, the number matching the number of columns the printer could print.


Linear A
Linear A is one of two scripts used in ancient Crete. They were discovered and named by Arthur Evans. Linear B was deciphered in the 1950s by Michael Ventris as representing an ancient form of Greek language. Linear A remains an List of undeciphered writing systems.


Linear B
Linear B is a script that was used for writing Mycenaean language, an early form of Greek language. It preceded the Greek alphabet by several centuries: it seems to have died out with the fall of Mycenaean civilization; the intervening period, in which there is no evidence of written language, is known as the Greek dark ages.


Linear programming
In mathematics, linear programming problems are optimization problems in which the objective function and the constraints are all linear. In other words, given a polytope , and a real number-valued affine function defined on this polytope, the goal is to find a point in the polytope where this function has the smallest value.


Lineman
Category:American football positions Lineman is a position in American football. Linemen are the frontline players of the offense or defense of any play during the game. There are two types of lineman: offensive linemen and defensive linemen. The offensive linemen comprise of the offensive line, while the defensive linemen comprise of the defensive line.


Linen
Linen is a material made from the fibers of the flax plant.


Liners
"Liners" is a slang horticultural term referring to trays of very young plants, usually grown for sale to retailers or wholesalers, who then grow them to a larger size before selling them to consumers. Liners are usually grown from seed, but may also be grown from cuttings or tissue culture.


Lingam
The Lingam is used as a symbol for the worship of the Hindu god Shiva. While its origins are debated, the use of this symbol as an object of worship is a timeless tradition in India; mainstream scholars connect the origin of the lingam to the early Indus Valley civilisation.


Lingcod
The Lingcod is a fish of the greenling family. It is the only member of the genus Ophiodon. It is native to the North American west coast from Shumagin Islands in the Gulf of Alaska to Ensenada, Mexico. It has been observed up to a size of 152 cm and a weight of 59 kg


Lingerie
Lingerie is a term, derived from the French language, for women's undergarments. They are heavily Eroticism in Western culture.


Link Trainer
The Link Trainer or "pilot maker" was created in the mid-1930s out of the need for a safe way to teach new pilots how to fly by Instrument Flight Rules. It was created by former organ builder Edwin Albert Link, who used his knowledge of pumps, valves, and bellows to create a Flight_simulator that responded to the pilot's controls and gave an accurate reading on the avionics.


1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12