All articles starting with N
16,460 articles
Nontrinitarianism
Nontrinitarianism, also called antitrinitarianism, is the rejection of the Trinity doctrine defined at the Council of Nicaea in 325, held today by Unitarians, Oneness Pentecostals, and Jehovah's Witnesses.
Nontsizi Mgqwetho
Nontsizi Mgqwetho, clan name Cizama, was a Xhosa poet who published about 95 poems in Umteteli wa Bantu from 1920 to 1929, the first woman to write substantial isiXhosa poetry.
Nontuberculous mycobacteria
Nontuberculous mycobacteria (NTM), historically called atypical or MOTT mycobacteria, are environmental bacteria in soil and water, with over 190 species, some causing human lung and skin infections.
Nonuniform sampling (statistics)
Nonuniform sampling, also called varying probability sampling, is a statistical design that selects units with unequal probabilities, weighted by their inclusion probabilities, to estimate totals more precisely.
Nonunion after arthrodesis
Nonunion after arthrodesis (pseudarthrosis after fusion, ICD-11 FC01.7) is failed bony union of a surgically fused joint; pooled foot and ankle rate 8.1%, tibiotalocalcaneal 27.1%, smoking a key risk factor.
Nonunion of fracture
Nonunion of fracture (pseudarthrosis, ICD-11 FB80.8): failure of a broken bone to heal, FDA-defined as 9 months since injury with no healing progress for 3 months; affects 5-10% of acute fractures, most often the tibia, treated by fixation revision and bone grafting.
Nonverbal communication
Nonverbal communication (NVC), also called body language, is meaning transmission without words via face, voice, gesture, touch, and space; studied through encoding, decoding accuracy (r ≈ .32), and the disputed Mehrabian conjecture.
Nonverbal learning disorder
Nonverbal learning disorder (NVLD), or developmental visuospatial disorder, is a proposed neurodevelopmental condition of visual-spatial processing deficits with preserved verbal skills; not in DSM-5, affecting an estimated 2.2 to 2.9 million North American children.
Nonviolence
Nonviolence, or civil resistance, is waging social and political conflict without physical violence, via protest, noncooperation, and intervention; Gene Sharp catalogued 198 methods, and Chenoweth and Stephan found nonviolent campaigns about twice as likely to succeed as violent ones.
Nonviolent Communication
Nonviolent Communication (NVC), or Compassionate Communication, is Marshall Rosenberg's four-part method of observation, feeling, need, and request, taught worldwide by CNVC's 1,051 certified trainers in 68 countries as of 2025.
Nonviolent resistance
Nonviolent resistance: struggle against oppression without physical violence, using strikes, boycotts, civil disobedience, and satyagraha as developed by Gandhi; Chenoweth and Stephan's NAVCO data show nonviolent campaigns succeed about twice as often as violent ones.
Nonviolent revolution
Nonviolent revolution is the overthrow of a regime through mass civil resistance, including protests, strikes, and boycotts. This strategy, rooted in Gandhian principles, avoids organized armed force.
Nonwoven fabric
Nonwoven fabric (nonwovens, spunbond, meltblown, spunlace) is a fiber web bonded mechanically, thermally, or chemically rather than woven or knitted, used in hygiene, medical, filtration, and geotextile products.
Nonylphenol
Nonylphenol (NP) is a man-made mixture of alkylphenols produced mainly for nonylphenol ethoxylate surfactants in detergents; it is persistent, estrogenic, and highly toxic to aquatic life.
Nonylphenol ether polyoxyethyleneglycol
Nonylphenol ether polyoxyethyleneglycol (EU ID 1387) is a nonylphenol ethoxylate-type substance listed as a non-approved EU pesticide active substance since the 20 November 2002 decision under Regulation 2076/2002, with a 0.01 mg/kg default MRL.
Nonylphenol ethoxylate
Nonylphenol ethoxylates are nonionic surfactants made from nonylphenol and ethylene oxide, widely used in detergents, emulsifiers, and textile processing and restricted because they degrade to toxic nonylphenol.
Noo Phuoc Thinh
Noo Phước Thịnh is a Vietnamese pop singer who rose from teen ballads in the late 2000s and won MAMA 2016 and Cống hiến awards.
Noodle
Noodle (麵條, menrui): unleavened dough or starch strips cooked in boiling liquid, spanning Chinese mian, Japanese udon and soba, rice vermicelli, and glass noodles; distinguished from pasta by form and raw material, with 4,000-year-old millet noodles found at Lajia, China.
Noodling
Noodling, also called hogging or hand fishing, is catching catfish bare-handed by reaching into underwater holes and letting the fish bite; legal in about 17 mostly Southern and Midwestern U.S. states, banned elsewhere.
Noof Al Maadeed
Noof Al Maadeed (نوف المعاضيد), Qatari women's rights defender who fled to the UK in 2019, campaigned against male guardianship, returned to Qatar in 2021, and has not spoken publicly since March 2023.
Noomi Rapace
Noomi Rapace (born Noomi Norén, 1979, Hudiksvall) is a Swedish actress famed as Lisbeth Salander in the 2009 Swedish Millennium trilogy, later in Prometheus, Lamb, and Apple TV+'s Constellation.
Noon
Noon is the moment when the Sun crosses the local meridian and reaches its highest point in the sky, 12:00 in apparent solar time, also known as apparent noon.
NOON state
The NOON state, also written N00N state, is a maximally path-entangled quantum state of N particles in a two-mode interferometer, named by Kok and coauthors in 2002.
Noon Universe (Мир Полудня")
Noon Universe (Мир Полудня) is a science fiction cycle by Arkady and Boris Strugatsky. Set in the 22nd century, it depicts an optimistic future history of Earth.
Noonan syndrome
Noonan syndrome (Noonan's syndrome), a RASopathy: autosomal dominant RAS/MAPK disorder with characteristic facies, short stature, pulmonary valve stenosis, PTPN11 in ~50% of cases.
Noonan syndrome with multiple lentigines
Noonan syndrome with multiple lentigines (NSML), formerly LEOPARD syndrome, is a rare autosomal dominant RASopathy caused by PTPN11 (~85%), RAF1, BRAF, or MAP2K1 variants, marked by lentigines, hypertrophic cardiomyopathy, short stature, and distinctive facies.
Noonan syndrome-like disorder with juvenile myelomonocytic leukemia
Noonan syndrome-like disorder with juvenile myelomonocytic leukemia, also called CBL syndrome, is a rare autosomal dominant RASopathy caused by germline CBL mutations at 11q23.3, combining Noonan-like features with JMML predisposition that often regresses spontaneously.
Noonan syndrome-like disorder with loose anagen hair
Noonan syndrome-like disorder with loose anagen hair (NS/LAH, Mazzanti syndrome) is a rare autosomal dominant RASopathy caused by SHOC2 or PPP1CB variants, combining Noonan-type features with easily plucked anagen hair, heart defects, and short stature.
Noongar literature
Noongar literature is the written and performed literary work of the Noongar, Aboriginal people of south-west Western Australia, best known through Kim Scott's Miles Franklin-winning novel That Deadman Dance.
Noopur Raje
Noopur Raje (Noopur S. Raje) is a hematologist-oncologist directing the Center for Multiple Myeloma at Massachusetts General Hospital, known for leading the first-in-human trial of the CAR T-cell therapy idecabtagene vicleucel.