Nilo-Saharan languages The Nilo-Saharan languages are a group of African languages spoken mainly in the upper parts of the Chari River and Nile rivers, including Nubia. Roughly 11 million people spoke Nilo-Saharan languages as of 1987, according to Merritt Ruhlen's estimate. The family is internally extremely diverse - far more so than Indo-European languages, or even Niger-Congo languages - and is rather controversial; few historical linguists have attempted work on the family as a whole, and sever
	Nine-banded Armadillo The Nine-banded Long-nosed Armadillo or just Nine-banded Armadillo, Dasypus novemcinctus, is a species of armadillo from North, Central and South America. It is the most widespread member of the group. The Nine-banded Long-nosed Armadillo is a solitary, mainly nocturnal animal, found in many kinds of habitats, from mature and secondary rainforests to grassland and dry scrub.
	Nineveh Nineveh was an important city in ancient Assyria. This "exceeding great city", as it is called in the Book of Jonah, lay on the eastern bank of the Tigris in modern-day Mosul, Iraq. Ancient Nineveh's mound-ruins are located on a level part of the plain near the river within an 1800-acre area circumscribed by a seven and one-half mile brick-rampart.
	Ninja are agents of espionage and assassination of the feudal era in Japan .
	Ninth In music or music theory a ninth is the note nine scale degrees from the root of chord and also the interval between the root and the ninth. In tonal music of common practice, the ninth is heard as a Consonance and dissonance#Dissonance.
	Ninurta Ninurta in Sumerian mythology and Akkadian mythology was the god of Nippur, identified with Ningirsu with whom he may always have been identical. In older transcriptions the name is rendered Ninib and in older commentary he is sometimes seen as a solar deity.
	Niobe A mortal woman in Greek mythology, Niobe, daughter of Tantalus and either Euryanassa, Eurythemista, Clytia, Dione, or Laodice, and the wife of Amphion, boasted of her superiority to Leto because she had fourteen children, seven male and seven female, are various accounts about how and where Niobe perished; the story that returns Niobe from Thebes to her Lydian homeland is but one.
	Niobium Niobium is a chemical element in the periodic table that has the symbol Nb and atomic number 41. A rare, soft, gray, ductile transition metal, niobium is found in niobite and used in alloys. The most notable alloys are used to make special steels and strong welded joints.
	Niobrara River The Niobrara River is a tributary of the Missouri River, approximately 430 mi long, running through the U.S. states of Wyoming and Nebraska. The river drains one of the most arid sections of the Great Plains, and has a low flow for a river of its length. It rises in the High Plains of eastern Wyoming, in southern Niobrara County, Wyoming.
	Nipper Nipper was a dog that served as the model for a painting entitled His Master's Voice, which later became identified with a series of audio recording brands, including RCA.
	Nippers Nippers in Surf_lifesaving are young Surf Lifesavers aged between 7 and 13 years old. Unlike senior Surf Lifesavers, the majority of them do not patrol the beaches. The focus for Nippers tends to be on fun, and surf awareness. Nippers learn about safety at the beach. They learn about dangers such as rocks, and animals, and also about surf conditions, such as Rip current, Sandbar, and Ocean surface wave.
	Nipple In its most general form, a nipple is an appurtenance from which a fluid emanates, in this instance breast milk, to nurture a mother's young.
	Nissen hut The Nissen hut is a prefabricated shelter that consists of a sheet of corrugated iron steel bent into half a cylinder and planted in the ground with its axis horizontal. The semicircular ends are closed with masonry walls. It was developed for the British military by Peter Norman Nissen, a Canadian mining engineer, in 1916, and used extensively during the Second World War by both the Commonwealth and U.S.
	Nitrate In inorganic chemistry, a nitrate is a salt of nitric acid. In organic chemistry the esters of nitric acid and various alcohols are called nitrates.
	Nitrazepam Nitrazepam is a powerful hypnotic medication, which is a benzodiazepine derivative. It possesses powerful anxiolytic, anticonvulsant, amnestic, sedative and skeletal muscle relaxant properties. Nitrazepam shortens the time required to fall asleep and lengthens the duration of sleep.
	Nitric acid The chemical compound nitric acid , otherwise known as aqua fortis or spirit of nitre, is a colorless, corrosion liquid, a toxic acid which can cause severe burns. If the solution contains more than 86% nitric acid, it is referred to as fuming nitric acid, and can be separated into two kinds of fuming acids, white fuming nitric acid and red fuming nitric acid.
	Nitric oxide The chemical compound nitric oxide is a gas with chemical formula NitrogenOxygen. It is an important signaling molecule in the body of mammals including humans, one of the few gaseous signaling molecules known. It is also a toxic air pollutant produced by automobile engines and power plants.
	Nitrification Nitrification is the biological redox of ammonia with oxygen into nitrite followed by the oxidation of these nitrites into nitrates. Nitrification is an important step in the nitrogen cycle in soil. This process was discovered by the Russia microbiologist, Sergei Winogradsky.
	Nitrile A nitrile is any organic compound which has a -Carbon=Nitrogen functional group. The -C=N functional group is called a nitrile group. In the -CN group, the carbon atom and the nitrogen atom are triple bonded together. The prefix cyano is used in chemical nomenclature to indicate the presence of a nitrile group in a molecule.
	Nitrite The nitrite ion is NO2−. The anion is bent, being isoelectronic with ozone. A nitrite is a chemical compound that contains this functional group, being either an ionic or a covalent compound, i.e. a salt or an ester of nitrous acid.
	Nitrobenzene Nitrobenzene, also known as nitrobenzol or oil of mirbane, is a poisonous organic compound with an almond odor and chemical formula Carbon6Hydrogen5NitrogenOxygen2. It may be found as either bright yellow crystals or an oily water-insoluble liquid.
	Nitrocellulose Nitrocellulose is a highly flammable compound formed by nitrating cellulose through, for example, exposure to nitric acid or another powerful nitrating agent. When used as a propellant or Explosive#Low Explosives, it is also known as guncotton.
	Nitrofurantoin Nitrofurantoin is an antibiotic medication. It is only useful in the treatment of cystitis.
	Nitrogen Nitrogen is a chemical element which has the symbol N and atomic number 7 in the periodic table. Elemental nitrogen is a colorless, odorless, tasteless and mostly inert diatomic gas at standard conditions, constituting 78.08% percent of Earth's atmosphere. Nitrogen is a constituent element of all living Biological_tissues and amino acids.
	Nitrogen cycle The nitrogen cycle is the biogeochemical cycle that describes the transformations of nitrogen and nitrogen-containing compounds in nature.
	Nitrogen dioxide |- | align="center" colspan="2" bgcolor="#ffffff" | |- | Density and Phase | 1443 kg/m, liquid 3.4 kg/m, gas at 294.25 K |- | List of R-phrases | , |- | List of S-phrases | , , , ,, |- Nitrogen dioxide is the chemical compound NO2.
	Nitrogen fixation Nitrogen fixation is the process by which nitrogen is taken from its relatively inert molecular form in the Earth's atmosphere and converted into nitrogen compounds useful for other chemical processes . Nitrogen fixation is performed naturally by a number of different prokaryotes, including bacterium, and actinobacteria certain types of anaerobe bacteria.
	Nitrogen mustard The nitrogen mustards are cytotoxic chemotherapy agents similar to mustard gas. Although their common use is medicinal, in principle these compounds may also be used for chemical warfare purposes. The prototype nitrogen mustard drug is mustine which is no longer commonly in use but was the first drug to be used as an anticancer chemotherapeutic.
	Nitrogen trichloride Nitrogen trichloride, also known as trichloramine, is a yellow, oily, pungent-smelling liquid, often found as a byproduct of chemical reactions between nitrogen-containing compounds and chlorine. When purified, it is highly unstable, decomposing in the presence of light or water, usually in less than 24 hours.
	Nitrous Nitrous is a slang term for nitrous oxide, commonly used by drag racing classes like Pro Street, Top Sportsman, and Pro Mod. Nitrous oxide is an oxidizing agent used to increase an engine's power output by allowing for faster burning of a fuel. Nitrous can be used with alcohol as a fuel in the mud racing categories.
	Nitrous acid Nitrous acid is a weak monobasic acid known only in solution and in the form of nitrite salts. Nitrous acid is used to make diazides from amines; this occurs by nucleophilic attack of the amine onto the nitrite, reprotonation by the surrounding solvent, and double elimination of water.
	Nitrous oxide Nitrous oxide, also known as dinitrogen oxide or dinitrogen monoxide, is a chemical compound with chemical formula Nitrogen2Oxygen. Under room conditions, it is a colourless non-flammable gas, with a pleasant, slightly-sweet odor. It is used in surgery and dentistry for its anaesthetic and analgesic effects, where it is commonly known as laughing gas due to the euphoric effects of inhaling it.
	Nivôse Niv?se (also Nivose) was the fourth month in the French Republican Calendar. The month was named after the Latin word nivosus, which means snow. Niv?se was the first month of the winter quarter (mois d'hiver). It started between December 21 and December 23.
	Nix Nix are water creatures in German folklore and Scandinavian folklore, usually shown in human form. The name is related to the Anglo-Saxon language nicor, and Old High German nihus, all designating some kind of water fiend.
	NO ;No *Opposite of "yes" * No - a Spanish-language song by female singer Shakira * No! - a 2002 album by They Might Be Giants, as well as a song on that album * Nobelium - symbol for the chemical element * Noh - a style of theatre from Japan * Norwegian language - ISO 639 alpha-2 language code
	No Doubt No Doubt is an American Pop music/Ska/Rock music band. No Doubt is heavily influenced by Jamaican culture and have dabbled in ska and reggae music, teaming up with Jamaican artists such as Lady Saw and Bounty Killer. No Doubt's multiple genre style is noted in the song "Move On" where they state "We meshed the styles of five alive and intertwined and fused it".
	No man's land This article discusses the term referring to the unoccupied land between two opposing forces. For other meanings of the word, see No Man's Land. No man's land is a term for a land that is not occupied or more specifically land that is Land claims between Party that will not Terra nullius because of fear or uncertainty.
	Noah Noah or Noach was the tenth and last of the antediluvian Patriarchs, best known for the Flood which came in his time. His story is contained in the Hebrew Bible's book of Genesis, chapters 5-9. While the Deluge and Noah's Ark are the best-known element of the story of Noah, he is also mentioned as the "first husbandman" and the inventor of wine, as well as in connection with the somewhat mysterious episode of his drunkenness and the subsequent Curse of Ham.
	Noah Webster Noah Webster was an United States lexicographer, textbook author, spelling reformer, political writer, and editor. He has been called the "Father of American Scholarship and Education." His Blue-backed Speller books taught five generations of children in the United States how to spell and read, and in the U.S.
	Noam Chomsky Avram Noam Chomsky is the Institute Professor Emeritus of linguistics at the Massachusetts Institute of Technology. Chomsky is credited with the creation of the theory of generative grammar, considered to be one of the most significant contributions to the field of theoretical linguistics made in the 20th century.
	Nobble Category:Redirects to Wiktionary
	Nobel Prize The Nobel Prizes are prizes instituted by the Will of Alfred Nobel, awarded to people who have done outstanding research, invented groundbreaking techniques or equipment, or made outstanding contributions to society. The Nobel Prizes, which are generally awarded annually in the categories listed below, are widely regarded as the supreme commendation in the world today.
	Nobility Nobility is a traditional hereditary status that exists today in many countries. The term originally referred to those who were "known" or "notable" and was applied to the highest social class in pre-modern societies. In the feudal system, the nobility were generally those who held a fief, often land and/or office, under vassalage, i.e.
	Noctuidae The Noctuidae or Owlets are a family of robustly-built moths with more than 25,000 known species [possibly 100,000 in the family]. Most have drab forewings, although some have brightly coloured hindwings. There are usually few differences between the sexes. The overwhelming majority of noctuids fly at night and are almost invariably strongly attracted to light.
	Nocturnals Nocturnals is a comic book title created by artist Dan Brereton which debuted as a six-part miniseries in 1994-1995 under Malibu Comics collectively subtitled as Black Planet. It follows the supernatural exploits of Doc Horror and his daughter Eve in Pacific City, a fictional California town which seems to have
	Noel Coward Sir Noel Peirce Coward was an England actor, playwright, and composer of popular music. His forename is sometimes spelt with a Umlaut on the 'e' , but Coward himself used this spelling only in later life.
	Noise pollution Noise pollution, usually called environmental noise in technical venues, is unwanted human-created sound that disrupts the natural environment. The dominant form of noise pollution is from transportation sources, principally motor vehicles. The word noise comes from the Latin word nausea meaning seasickness.
	Nolina Nolina is a genus of plants in classified variously in the Nolinaceae, Agavaceae, Ruscaceae, or Asparagaceae, depending upon how those families are circumscribed. It constitutes a group of tropical xerophytic plants, with the principal distribution being in Mexico and extending into the southern United States.
	Nomad Communities of nomadic people move from place to place, rather than Settler in one location. Many cultures have been traditionally nomadic, but nomadic behaviour is increasingly rare in industrialisation countries. There are three kinds of nomads, hunter-gatherers, pastoralism, and peripatetic nomads.
	Nomogram A nomogram or nomograph is a graphical calculating device, a two-dimensional diagram designed to allow the approximate graphical computation of a function. Like a slide rule, it is a graphical analog computation device; and, like the slide rule, its accuracy is limited by the precision with which physical markings can be drawn, reproduced, viewed, and aligned.
	Non-Euclidean geometry ---- The term non-Euclidean geometry describes hyperbolic geometry, elliptic geometry and absolute geometry, which are contrasted with Euclidean geometry. The essential difference between Euclidean and non-Euclidean geometry is the nature of Parallel lines.
	NonProductive NonProductive is a comedic production company, website, and radio show that broadcasts on WRSU from Rutgers University in New Brunswick. Known primarily for its radio show, it has aired consistently since 1996 and has gone through numerous cast changes and hosts. The format has adapted over time, but remains focused on sketch comedy, satire, variety, and conversational pieces.
	Nonstop Nonstop are the only Portuguese girl group created out of the television talent show Popstars in 2001, they are also the oldest Popstars group in activity. Nonstop have achieved notable success with there first album, Nonstop, and especially with their first hit single Ao Limite Eu Vou.
	Noodle A noodle is a thin strip of pasta, usually cut or extruded from some kind of dough. It is the basic Units of measurement in dishes like spaghetti, linguine, soba, and udon. The term often refers to moist, cooked pasta, since it has connotations of curviness and slipperiness, but also to dried noodles that must be reconstituted by boiling or soaking in water.
	Noose The noose is a simple knot, normally made from a small-diameter rope, that is often used by campers and hunters to catch small game. The noose has also traditionally been known as a suicide method; however the actual knot associated with this is the Hangman's knot.
	Nopal Nopales are a vegetable made from the young plant stem segments of prickly pear, carefully peeled to remove the spines. They are particularly common in their native Mexico. Farmed nopales are most often of the species Opuntia ficus-indica, although the pads of almost all Opuntia species are edible.
	Norbert Wiener Norbert Wiener was an United States theoretical and applied math mathematician. He was a pioneer in the study of stochastic processes and noise processes, contributing work relevant to electronic engineering, electronic communication and control systems.
	Norepinephrine Norepinephrine or noradrenaline is a catecholamine and a phenethylamine with chemical formula carbon8hydrogen11nitrogenoxygen3. The natural stereoisomer is L---norepinephrine. It is released from the medulla of the adrenal glands as a hormone into the blood, but it is also a neurotransmitter in the nervous system where it is released from noradrenergic neurons during Synapse transmission.
	Norethandrolone Norethandrolone is an anabolic steroid.
	Norfolk Norfolk is a low-lying Counties of England in East Anglia in the east of southern England. It has borders with Lincolnshire to the west, Cambridgeshire to the west and southwest and with Suffolk to the south. Its northern and eastern boundaries are the North Sea coast, including The Wash.
	Norfolk Island Norfolk Island is a small inhabited island in the Pacific Ocean located between Australia, New Zealand and New Caledonia, and along with two neighbouring islands forms one of Australia's external territory. The Araucaria heterophylla, a symbol of the island pictured in its flag, is a very striking evergreen tree endemic to the island and is quite popular in Australia, where two related species also grow.
	Norfolk jacket A Norfolk jacket is a loose, belted, single-breasted jacket with box pleats on the back, now with a belt or half-belt. The style was long popular for boys' jackets and suits, and is still used in some uniforms. It was originally designed as a shooting coat that did not bind when the elbow was raised to fire.
	Norfolk Terrier The Norfolk Terrier is the smallest of the working Terriers. Prior to 1960, when it gained recognition as an independent breed, it was a variety of the Norwich Terrier, distinguished from the Norwich by its "drop", or folded ears.
	Norfolk wherry The Norfolk wherry is a black-sailed trader, type of boat on The Broads in Norfolk. It is double-ended with the mast steeped well forward, painted black with a single gaff sail. Mostly clinker-built, it would carry around 25 tons of goods. Wherries were able to reach larger boats just off coast and take their cargoes off to be transported inland through the broads and the rivers.
	Norgestrel Norgestrel is a progestin used in hormonal contraceptives. Norgestrel is a mixture of two stereoisomers, dextro-norgestrel and levo-norgestrel. Only levonorgestrel is biologically active. Therefore, while some medications may contain dextronorgestrel, they are often labeled in terms of their levonorgestrel content only, ignoring the inert isomer.
	Normal distribution The normal distribution, also called Gaussian distribution , is an extremely important probability distribution in many fields. It is a family of distributions of the same general form, differing in their location and scale parameters: the mean and standard deviation , respectively.
	Normalcy "A return to normalcy" was United States presidential candidate Warren Hardings campaign promise in the election of 1920. Although the word was a neologism, coined by Harding, the implied concept apparently encapsulated what Americans wanted, since he was elected president over his United States Democratic party opponent James Cox.
	Norman architecture The term Norman architecture is used to categorise styles of Romanesque architecture developed by the Normans in the various lands under their dominion or influence in the 11th century and 12th century centuries. They introduced large numbers of castles and fortifications including Norman keeps, and at the same time monastery, abbeys, churches and cathedrals, in a style characterised by round arches and massive proportions.
	Norman Jewison Norman Frederick Jewison, Order of Canada, Bachelor of Arts, Doctor of Laws is a Canada film director, Film producer, and actor. He was born and raised in Toronto and attended Victoria University in the University of Toronto, in the University of Toronto.
	Norman Mailer Norman Kingsley Mailer is an United States novelist, journalist, playwright, screenwriter and film director who, along with Truman Capote and Tom Wolfe, is considered an innovator of creative nonfiction, a genre sometimes called New Journalism. He has been nominated on several occasions for the Nobel Prize for Literature.