All articles starting with N
16,460 articles
Negative-sequence current
Negative-sequence current is the symmetrical component, from Fortescue's 1918 method, that appears when three-phase currents or voltages are unbalanced, producing counter-rotating fields, rotor heating, and vibration in machines.
Negativism
Negativism: a psychopathological sign of apparently motiveless resistance to instructions or examination, first described by Kahlbaum in 1874 as motor negativism in catatonia; also seen in autism, intellectual disability, and brain injury.
Negativity (quantum entanglement)
Negativity is an entanglement measure for bipartite quantum states, introduced by G. Vidal and R. F. Werner in 2002 as a computable quantification of the Peres positive-partial-transpose criterion.
Negativity bias
Negativity bias: the psychological principle that negative information has stronger impact than positive, aka "bad is stronger than good" (Baumeister et al. 2001); appears in attention, memory, and impression formation, emerges in infancy, fades with age, and is distinct from loss aversion.
NégaWatt
NégaWatt is a French nonprofit association founded in 2001 that produces independent energy scenarios for France, prioritizing sufficiency, then efficiency, then renewables, with carbon neutrality by 2050.
Negeri Sembilan
Negeri Sembilan, a Malaysian state on the peninsula's west-central coast with capital Seremban, is defined by Minangkabau Adat Perpatih custom, an elective Yang di-Pertuan Besar chosen by four Undang, 1.2 million people, and a services-led RM55.8 billion economy.
Negev
The Negev (נגב) is Israel's southern desert, about 13,000 km² in the Saharo-Arabian belt, home to the Nabatean Incense Route World Heritage cities, runoff-farming ruins, a fast-growing Bedouin population, and the October 7-attacked Western Negev.
Negev Bedouin
The Negev Bedouin, also called Israeli-Bedouin, are Arab Bedouin citizens of Israel indigenous to the Negev desert, about 300,000 people, many in unrecognized villages without water or electricity.
Negging
Negging is a backhanded compliment or subtle insult used to undermine someone's confidence and make them seek approval. Originating in pickup artistry via Mystery and Neil Strauss's The Game, it differs from teasing and gaslighting.
Negiacum
Negiacum was an ancient settlement in Celtic Gaul, tentatively identified with Nazac in the commune of Nanthiat, Dordogne, France, and cataloged in the Barrington Atlas.
Negima! Magister Negi Magi (魔法先生ネギま!)
Negima! Magister Negi Magi (魔法先生ネギま!, Mahō Sensei Negima!) is Ken Akamatsu's 2003–2012 Kodansha manga, 38 volumes and 355 chapters, about ten-year-old Welsh wizard Negi Springfield teaching 31 girls at Mahora Academy; it shifted from harem comedy to battle fantasy, spawned Xebec 2005 and Shaft 2006 anime, and has the sequel UQ Holder!.
Negin
Negin (نگین, "Jewel") was a leading Persian-language intellectual monthly founded and edited by Mahmoud Enayat in Tehran, running to 177 issues from 1965 until it was banned in 1980.
Negishi coupling
Negishi coupling, or the Negishi reaction, is a palladium- or nickel-catalyzed cross-coupling of organozinc reagents with organic halides, first reported by Ei-ichi Negishi in 1977.
Negishi LNG Terminal
Negishi LNG Terminal is an LNG import terminal in Isogo-ku, Yokohama, Japan, jointly operated by Tokyo Gas and TEPCO and opened in November 1969 as Japan's first.
Neglecta
Neglecta ("Neglecta timonensis") is an invalidly published 2016 genus name for a gram-positive anaerobic gut bacterium, now correctly Neglectibacter timonensis Zgheib et al. 2024, isolated from human stool.
Neglected (film)
Neglected (The Neglected) is a 2025 American action thriller directed by David Lipper, starring Josh Duhamel and Dylan Sprouse; a detective must solve three murders to find his buried-alive son. Premiered Newport Beach 2025, limited US release May 8, 2026.
Neglected tropical diseases
Neglected tropical diseases (NTDs): WHO group of 21 poverty-associated tropical conditions such as dracunculiasis, leprosy, trachoma, and rabies; about 1 billion affected, 1.4 billion needing interventions, 58 countries with at least one elimination by end 2025.
Negligee
Negligee (French négligée, "neglected"): a light, sheer woman's dressing gown or nightgown worn over nightclothes. From 1680s French négligés and 1750 English borrowing to tea gowns, nylon nuisettes, and sheer red-carpet wear.
Negligence
Negligence, also known as the tort of negligence, is a civil wrong in which someone fails to show the care a reasonable person would show in the same situation.
Negligence across legal systems
Negligence across legal systems compares how England, France, and Germany define liability for carelessly causing harm, contrasting the common-law duty of care with codified delict articles.
Negligible senescence
Negligible senescence, coined by Caleb Finch in 1990, describes organisms such as turtles, rockfish, hydra, and the naked mole-rat whose mortality and reproduction show no age-related decline after maturity.
Nego do Borel (musician)
Nego do Borel is the stage name of Leno Maycon Viana Gomes, a Brazilian funk carioca singer from Rio de Janeiro who broke through in 2012.
Negoro-ji
Negoro-ji (根來寺) is a Buddhist temple in Iwade, Wakayama, Japan, and head temple of the Shingi Shingon school; burned in 1585, its 1547 Great Pagoda survives as a National Treasure.
Negotiable instrument
Negotiable instrument: a written unconditional promise or order to pay a fixed sum, defined by UCC Article 3. Includes drafts (checks) and notes; a holder in due course takes free of most defenses.
Negotiable Instruments Act, 1881
The Negotiable Instruments Act, 1881 (Act 26 of 1881) is India's law on promissory notes, bills of exchange, and cheques; its Section 138 criminalizes cheque dishonour for insufficient funds, with amendments in 2002, 2015, and 2018.
Negotiation
Negotiation is a communication process where parties seek an agreement by balancing shared and opposed interests. Roger Fisher and the Harvard Negotiation Project founded the field in 1979.
Negotiation and signing of the Treaty of Versailles
The Treaty of Versailles (Traité de Versailles) was negotiated at the 1919 Paris Peace Conference by the Council of Four and signed by Germany in the Hall of Mirrors on 28 June 1919; Germany was excluded from the talks, and the US Senate rejected the treaty in 1919 and 1920.
Negotiations to end apartheid in South Africa
Negotiations to end apartheid in South Africa: 1990–1994 talks between the National Party government and the ANC, producing the Groote Schuur and Pretoria Minutes, the National Peace Accord, CODESA, the 1993 Interim Constitution, and the 27 April 1994 election.
Negotiorum gestio
Negotiorum gestio, or unauthorised management of another's affairs, is a Roman-law source of non-contractual obligations in civil-law codes, where a benevolent gestor may recover expenses subject to limits, but the common law never adopted the doctrine.
Negrar Roman Villa
Villa dei Mosaici di Negrar, a Late Antique Roman villa of about 3,000 square meters in Negrar di Valpolicella near Verona, found under a vineyard; discovered 1885-1887, excavated by Tina Campanile in 1922, rediscovered in 2020, becoming an archaeological park.